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:
Feb. 01, 1977
Filed:
Dec. 12, 1975
Applicant:
Inventor:
George W Mao, St. Paul, MN (US);
Assignee:
Gould Inc., Rolling Meadows, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429 72 ; 429205 ; 429226 ;
Abstract
A maintenance-free battery having improved current draw characteristics is provided by adding elemental cadmium, or a cadmium affording compound such as cadmium sulfate to the electrolyte in amounts sufficient to decrease the current draw that would otherwise occur during overcharge.
Quick Actions:
Mao, George. (1977). Maintenance-free battery and method for reducing the current draw of (U.S. Patent No. 4006035). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4006035
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