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:
Mar. 27, 1979
Filed:
Dec. 23, 1977
Applicant:
Inventor:
Frank G Spanur, Parma Heights, OH (US);
Assignee:
Union Carbide Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ; H01M / ;
U.S. Cl.
CPC ...
429 54 ; 429172 ;
Abstract
An improved seal closure for the open end of a cell comprising a cover including an annular depending flange which has a circumferential notch for engaging the inwardly turned peripheral edge of the cell, an annular recess located in the cover and extending below the level of the notch and a locking collar for insertion within the recess.