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:
Mar. 04, 1980
Filed:
May. 19, 1978
Applicant:
Inventors:
Assignee:
Citizen Watch Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
310344 ; 310348 ; 29 2535 ;
Abstract
A housing for a subminiature piezoelectric quartz crystal vibrator element, in which a glass substrate has a recess formed in an upper surface thereof, the subminiature quartz crystal vibrator element being supported such as to be positioned within a periphery of the recess in the upper surface and separated by fixed distances from surfaces of the recess, a cover is disposed upon the glass substrate to hermetically seal the quartz crystal vibrator element between the cover and the glass substrate.
Yasuda, Yuh. (1980). Sealed housings for a subminiature piezoelectric vibrator (U.S. Patent No. 4191905). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4191905
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile