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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.:

US 4001044 B1

PDFFull Text
Date of Patent:
Jan. 04, 1977

Filed:

Sep. 11, 1975

Dry cell

Applicant:
Inventors:

Jun Miyoshi, Miigaoka Neyagawa, JA;

Yoji Kajikawa, Katano, JA;

Akira Ota, Fujisaka Hirakata, JA;

Junichi Asaoka, Moriguchi, JA;

Yoshio Kino, Miyanosaka Hirakata, JA;

Assignee:

Matsushita Electric Industrial Co., Ltd., , JA;

Attorney:

Burgess, Ryan and Wayne

Primary Examiner:

John H Mack

Assistant Examiner:

C F LeFevour

Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429166 ; 429201 ; 429229 ;
Abstract

A dry cell of the type enclosing therein an electrolyte mainly consisting of zinc chloride, wherein in order to ensure the more secure air- and liquid-tightness a filler or sealing agent is filled into the space between a plastic top seal and a metal top seal to seal a carbon electrode extended out of the plastic top and the upper end portion of a plastic tube covering the top surface of the plastic top seal, whereby the longer shelf life may be ensured.

Find Patent Forward Citations

Miyoshi, Jun. (1977). Dry cell (U.S. Patent No. 4001044). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4001044

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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