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:
Jan. 13, 1976
Filed:
Dec. 30, 1974
Applicant:
Inventors:
Vicente S Alberto, Parma, OH (US);
David G Clash, Fairview Park, OH (US);
Assignee:
Union Carbide Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
136107 ;
Abstract
Primary dry cell comprising a metal anode cup having a cathode mix therein and having an open end which is gas-tightly sealed by a closure including a vent, wherein a gas-venting passageway extends through the cathode mix into communication with the void space defined between the cathode mix and seal closure.