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  Secret message candleUSPTO Application #: 20070248922Title: Secret message candle Abstract: A hidden message candle apparatus comprising a two part container divided into an inner portion and an outer portion, a candle, a message sheet, and a heat-activated covering in sticker form. The transparent top portion of the outer container forms a cylindrical gap, when the inner container is nested in the outer container, and a message imprinted sheet with the heat-activated covering is inserted therein. A candle or other heat source is disposed in the bottom part of the inner container. Upon activating the heat source, the heat from the heat source raises the temperature of the air in the cylindrical gap, and acts on the heat-activated ink sticker causing it to become transparent and reveal the message on the sheet. (end of abstract) Agent: Edwin Tarver - Encino, CA, US Inventor: Reza Mahdavieh USPTO Applicaton #: 20070248922 - Class: 431291000 (USPTO) Related Patent Categories: Combustion, Candle, E.g., Taper, Etc., Having Structure Additional To Wax And Wick, Fuel Body Totally Within Casing, E.g., Vigil Light, Etc. The Patent Description & Claims data below is from USPTO Patent Application 20070248922. Brief Patent Description - Full Patent Description - Patent Application Claims
CROSS-REFERENCE TO RELATED APPLICATION [0001] None FEDERALLY SPONSORED RESEARCH [0002] Not Applicable SEQUENCE LISTING OR PROGRAM [0003] Not Applicable STATEMENT REGARDING COPYRIGHTED MATERIAL [0004] Portions of the disclosure of this patent document contain material that is subject to copyright protection. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure as it appears in the Patent and Trademark Office file or records, but otherwise reserves all copyright rights whatsoever. BACKGROUND [0005] The present invention relates in general to candles, more particularly to candles that display messages, and more particularly, to a candle apparatus that reveals hidden messages by using the heat produced from a burning candle or other source. [0006] Candles that display messages are known in the art. Messages may be words, expressions or simply an ornamental design. In some instances, the messages to be delivered are directly visible on the candle. By using a transparent or translucent wax, messages can be directly displayed as the candle burns. Other candles include hidden messages disposed within or on the surface of the candle body. As the candle burns, the wax melts and the messages are revealed. Various methods and related structures have been used in conjunction with the candle to efficiently deliver the hidden messages. [0007] U.S. Pat. No. 6,568,934 to Butler discloses a message display candle. Message characters or objects are embedded in combustible transparent gel in the candle body and are visible whether the candle is burning or not. The messages can be changed and the message characters can be wax characters in a gel matrix or formed as part of the bottom or wall of the candle body. The messages in the candle are not hidden however, and are visible whether the candle is burning or not. [0008] U.S. Pat. No. 6,435,694 to Bell discloses a candle insert that includes an outer portion and an inner portion. The outer portion can be made of a gel composition and has a recess into which the inner portion is positioned. The inner receptacle is clear and is concealed by the outer portion. The inner portion may be formed from wax or gel or other suitable candle body material. The outer portion may contain a variety of decorative objects or may be designed to produce a variety of decorative effects. When a wick in the inner portion is lit, light from the inner portion passes through the outer portion of the candle and enhances decorative effects that are dispersed in the outer candle body. The lack of a hidden message feature, and the added second gel layer distinguish this candle from the present invention. [0009] U.S. Pub. No. 20050079465 to Tillieux discloses a candle containing a secret message, which is displayed as the candle is consumed. A non-burnable plate with inscribed message is placed substantially horizontal in the candle. The non-burnable plate includes an orifice for a wick to pass through. Messages can be added and the plate is placed on the stock candle. Following which, more wax is added to cover the plate and the messages are revealed as the candle burns down. Although this candle reveals hidden messages, the method used to achieve this by using a plate and pouring the wax on the plate is different from the present invention. [0010] U.S. Pat. No. 4,696,640 to Pitchford discloses a candle that includes a personalized message disposed in a fire and leak proof container. The message may be a fortune, words of endearment, a game token, or a coupon redeemable for a prize or price discount on a product. The container is initially hidden from the viewer. The candle is consumed until such time as the container or token is revealed. Alternately, the candle can have a strip extending along the longitudinal axis. Messages on the strip will be readable as the candle burns. The candle relies on melting wax to display the hidden messages. [0011] U.S. Pat. No. 4,304,547 to Buzil discloses a candle that includes a plurality of tabs securely positioned with a heat sensitive adhesive on the outside of the candle. The tabs are positioned at various levels. When the candle is burning at a level where a tab is located, the tab becomes detachable and may be pulled away from the candle for revealing a message previously hidden by the tab. Although the application of the heat sensitive adhesive appears to be similar, the heat sensitive adhesive is used to physically remove the tab, rather than reveal a message automatically. [0012] Although candles that reveal messages are known in the art, there is a need for a more simple, efficient, and convenient means of revealing a hidden message on a candle. Furthermore, there is a need for a secret message that can be revealed and exposed repeatedly, and that can present customized messages. These and other objects of the present invention will become better understood with reference to the appended Summary, Description and Claims. SUMMARY [0013] The present invention is directed to a candle apparatus that reveals hidden messages. The candle apparatus mainly includes two cylindrical containers, namely, an outer container and a transparent inner container nesting in the outer container. The outer container comprises a bottom portion and a transparent top portion. The inner dimensions of the bottom portion of the outer container are adapted to abut the bottom and lower sides of the inner container. The inner diameter of the top portion is more than that of the bottom portion, and therefore a cylindrical gap is created between the inner container and the top portion of the outer container. A candle or other suitable heat source is disposed in the inner container. [0014] A sheet or paper printed with an image is covered with heat-activated ink, which is opaque at room temperature and becomes transparent when heated to a certain temperature. Pictures, messages, or any image can be imprinted on the sheet and then covered with the heat-activated ink, rendering it opaque when at room temperature. The sheet covered with the heat-activated ink is placed in the cylindrical space of the apparatus and the candle is lit. Gradually, the heat from the burning candle raises the temperature in the containers, and acts on the heat-activated ink sticker causing it to turn transparent, thereby revealing the image on the sheet. BRIEF DESCRIPTION OF THE FIGURES [0015] FIG. 1 is an illustration of a message sheet. [0016] FIG. 2 is an illustration of the heat-activated ink on a backing paper sheet. [0017] FIG. 3 is an illustration of the heat-activated ink sticker covering the message on the sheet. Continue reading... Full patent description for Secret message candle Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Secret message candle patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. Start now! - Receive info on patent apps like Secret message candle or other areas of interest. ### Previous Patent Application: Variable orifice combustor Next Patent Application: Direct flame impingement burner Industry Class: Combustion ### FreshPatents.com Support Thank you for viewing the Secret message candle patent info. 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