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:
Apr. 27, 1976
Filed:
Aug. 29, 1974
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Company, Ltd., Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01C / ;
U.S. Cl.
CPC ...
338 89 ; 338138 ;
Abstract
A variable resistor provided with a mechanism which permits the tap resistance to be varied non-linearly; that is, the mechanism permits a contactor to be displaced at a varying rate in response to the operation of input means at a constant rate.
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Nishioka, Matsuo. (1976). Variable resistor (U.S. Patent No. 3953820). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3953820
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile