Controlled heating baking pan
January 22, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References Re32270 3612036 3777094 Microwave cooking apparatus Low thermal mass cooking utensil Biaxially oriented thermoplastic container with or without molded tip periphery Article transparent to microwaves and process for making same Carrying and insulating enclosure for pizza pie containers Dish for holding food to be heated in a microwave cooking chamber Polymeric multiple-layer sheet material InventorAssigneeApplicationNo. 467932 filed on 01/22/1990US Classes:220/573.1, COOKWARE (E.G., POT, BAKING PAN)99/426, Confining, conforming or molding support99/447, With heat distributor219/725, Cookware (e.g., vessel, utensil, etc.)220/660, SIDEWALL STRUCTURE220/912, COOKWARE (I.E., POTS AND PANS)229/407Tray-typeExaminersPrimary: Marcus, StephenAssistant: Cronin, Stephen K. Attorney, Agent or FirmInternational ClassB65D 090/04AbstractA non-metallic unitary baking pan, and especially a baking pan made of plastic, including foam plastic, paper or plastic laminated paper in which a cake or cake-like product can be baked, which baking pan has portions thereof which are thicker and have greater insulating effect than other portions to more uniformly and evenly distribute the heat produced during the baking operation throughout the cake batter or dough being baked. Also disclosed is method for producing such a non-metallic unitary baking pan by means of heated mating dies under pressure the mating dies having portions spaced farther apart than other portions thereof to produce corresponding thicker portions in the pan so formed. | |
