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. 05, 1983
Filed:
Jun. 19, 1981
Applicant:
Inventors:
W Coy Willis, Hagerstown, IN (US);
Leman P Albrecht, Richmond, IN (US);
Assignee:
Aluminum Company of America, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
215252 ; 215250 ;
Abstract
A tamper-evident closure having a central disc end wall panel bonded to a sealing liner and connected to an annular end wall projecting inwardly from the closure skirt wall by at least two fracturable bridges. Removal of a closure of this invention after being applied to a container causes at least one of the bridges to fracture giving evidence that at least an attempt has been made to remove the closure.