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:
Dec. 11, 1984
Filed:
Oct. 13, 1983
Applicant:
Inventor:
Thomas W Winstead, Baltimore, MD (US);
Assignee:
Maryland Cup Corporation, Owings Mills, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
220276 ; 220270 ;
Abstract
A tamper-evident closure for a container comprises a center portion for overlying an open portion of a container, a seal portion, and a circumferential line of weakness surrounding the seal portion and defining a circumferential tear-strip. At least the tear-strip comprises deformable material. The tear-strip comprises a portion which creates a separation therein upon deformation when the closure is secured to a container. A method for applying the closure to containers is also disclosed.