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. 24, 1976
Filed:
May. 17, 1974
Applicant:
Inventor:
Hideaki Uchiyama, Suwa, JA;
Assignee:
Kabushiki Kaisha Suwa Seikosha, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B / ;
U.S. Cl.
CPC ...
58 9 / ;
Abstract
A water-tight watch case having an inorganic glass crystal to which a layer of transparent or semi-transparent water-absorptive material is applied to a central region of the inner surface thereof to leave a bare peripheral region at which the crystal is hermetically sealed to the case.