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:
Apr. 14, 1981
Filed:
Sep. 21, 1979
Applicant:
Inventor:
David A Cowan, Owings Mills, MD (US);
Assignee:
Maryland Cup Corporation, Owings Mills, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ; B65D / ;
U.S. Cl.
CPC ...
229 43 ; 229 / ; 229D / ; 220359 ; 220366 ; 426118 ; 156 69 ;
Abstract
A heat-sealable, ovenable container and method of manufacture wherein one of the components of the container, for example, the tray, is provided with a thermoplastic polyester coating and the other component, for example, the lid, is provided with a thermosetting polyester coating, said coatings cooperating to produce a self-venting, easy-tear, sanitary seal.