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. 29, 2000
Filed:
Jan. 14, 1998
Applicant:
Inventor:
Michael Bach, Biel, CH;
Assignee:
Montres Rado S.A., Lengau, CH;
Primary Examiner:
Int. Cl.
CPC ...
G04B / ; G04B / ; B01J / ; C01B / ;
U.S. Cl.
CPC ...
368280 ; 368296 ; 423446 ;
Abstract
A transparent and scratchproof watch crystal, characterized in that it is made of polycrystalline diamond. The invention also concerns a watch case fitted with such a watch crystal.