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:
Sep. 24, 1991
Filed:
Jun. 28, 1990
Applicant:
Inventor:
Albert Servais, Gerpinnes, BE;
Assignee:
Glaverbel, Brussels, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359884 ; 359838 ;
Abstract
A copper mirror having improved resistance to aging as having a factor of luminous reflection which is stable and which, after the copper mirror has been subjected to a CASS Test for 120 hours, is at least 0.9 times what it was before the copper mirror was subjected to the CASS Test, the copper mirror including a transparent glass sheet bearing a copper reflective layer and at least one protective layer provided on the copper reflective layer, wherein the copper reflective layer is chemically desposited layer having an oxygen content which is low so as to be effective to provide the stable factor of luminous reflection.