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:
May. 19, 1981
Filed:
Oct. 09, 1979
Applicant:
Inventor:
Kenneth Lui, Fountain Valley, CA (US);
Assignee:
TRW Inc., Redondo Beach, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
350310 ;
Abstract
There is disclosed an optical mirror consisting essentially of an electrodeposited nickel-iron face sheet having a relatively low temperature coefficient of expansion on a lightweight graphite backup substrate having approximately the same temperature coefficient of expansion as the electrodeposited nickel-iron face sheet.