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:
Oct. 03, 1978
Filed:
Sep. 07, 1976
Applicant:
Inventors:
Tsutomu Miyasaka, Suwa, JP;
Yoshiaki Fujimori, Suwa, JP;
Shigeru Matsui, Suwa, JP;
Tetsuo Komaki, Suwa, JP;
Assignee:
Kabushiki Kaisha Suwa Seikosha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B / ; G04B / ;
U.S. Cl.
CPC ...
58 9 / ; 58 91 ;
Abstract
A waterproof watch case construction depends on gaskets alone for waterproofing and is free of cement. The construction is such that a broken crystal can be readily replaced, and the watch case itself can be of any shape, including square, ovoid and hexagonal, as well as circular. The watch crystal is located positively by means of a bezel and a ring which compress a gasket both axially and radially against the watch crystal.