The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 09, 1979
Filed:
Jul. 18, 1977
Thomas L Anderson, Neenah, WI (US);
Glenn A Rasmussen, Ringle, WI (US);
Gerald J VanHandel, Neenah, WI (US);
American Can Company, Greenwich, CT (US);
Abstract
A paperboard carton for packaging a pizza is provided with a substantially rigid, pizza-supporting electrical-resistance heater insert comprising a corrugated paperboard panel having laminated thereto a sheet of vacuum-metallized glassine. Arc-sprayed zinc bus bars extend over opposed edges of the metallized sheet and serve as electrodes for conducting electricity through the sheet as the resistor element. Electrical energy is supplied to the electrodes by a removable terminal clip that extends through an opening provided in a side wall of the carton and both electrically and mechanically engages suitably presented electrode terminals. An insulating sheet of coated paper extends over the metallized surface, the electrodes, and the bus bars, and serves as the immediate support surface for the pizza.