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:
Dec. 28, 1976
Filed:
Jul. 15, 1975
Applicant:
Inventors:
Jack P Martin, Lower Burrell, PA (US);
Thomas H Gray, Pittsburgh, PA (US);
Assignee:
Allegheny Ludlum Industries, Inc., Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
291916 ; 291963 ; 291966 ; 29199 ;
Abstract
There is disclosed a material useful for making lead frames which comprises a core of ferritic stainless steel electroplated with a first layer of copper and an outside layer of nickel or tin, after which the strip is precision rolled to final gauge.