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:
May. 17, 1988
Filed:
Oct. 23, 1986
Applicant:
Inventor:
Granville J Hahn, Big Spring, TX (US);
Assignee:
Permian Research Corporation, Big Spring, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
215252 ; 215329 ; 215347 ; 215348 ;
Abstract
A molded polymeric container closure comprising at least one substantially unfoamed polymer layer and an integrally molded foamed layer of the same polymer.
Hahn, Granville. (1988). Plastic closure with unitarily molded, foamed sealing layer (U.S. Patent No. 4744478). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4744478
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile