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:
Jul. 07, 1981
Filed:
Jan. 10, 1977
Applicant:
Inventors:
Tetsuro Izumitani, Hino, JP;
Eimei Miyade, Niiza, JP;
Assignee:
Hoya Glass Works, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B01J / ;
U.S. Cl.
CPC ...
427294 ; 422 40 ; 427165 ;
Abstract
A method of preventing tarnishing of a polished glass article comprising storing the polished glass article under a reduced pressure of less than 10.sup.-2 mm Hg before applying a metal, a metal oxide or fluoride coating to the surface of the polished glass.