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:
Apr. 11, 1989
Filed:
Dec. 18, 1987
Applicant:
Inventor:
Ronald L Schwenninger, Ridgeley, WV (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ; B23K / ; B23K / ; C03B / ;
U.S. Cl.
CPC ...
228190 ; 228193 ; 22826311 ; 2281736 ; 6537411 ; 6537412 ; 428940 ; 428637 ; 428670 ; 420466 ;
Abstract
Relatively large structures are fabricated from oxide dispersion strengthened platinum or alloys by working a plurality of pieces to thin, wide layers, and then laminating the layers such as by hammer welding so as not to disturb the grain structure or oxide dispersion.