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:
Aug. 15, 1978
Filed:
Nov. 26, 1976
Applicant:
Inventor:
Ake Lennart Larsson, Palos Verdes Estates, CA (US);
Assignee:
Mattel, Inc., Hawthorne, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G04F / ; G04C / ; G04B / ;
U.S. Cl.
CPC ...
58 74 ; 58 2 / ; 58118 ; 74-15 ;
Abstract
A mechanical spring-powered hand-held digital stopwatch having a gear-operated decade counter display assembly, a spring-powered windup mechanism adapted to reset the counter during winding and a cam adjustable timing escapement mechanism, the escapement mechanism including an escapement gear actuating a balance through a limited pivotal angle, the angle of pivoting being governed by cam means interposed between a pair of arms carried by the balance.
Larsson, Ake. (1978). Escapement mechanism for watch (U.S. Patent No. 4106282). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4106282
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile