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:
Oct. 12, 1976
Filed:
Oct. 23, 1975
Applicant:
Inventors:
Peter K Church, Cascade, CO (US);
Oliver J Knutson, Colorado Springs, CO (US);
Assignee:
Kaman Sciences Corporation, Colorado Springs, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427 46 ; 427226 ; 4273 / ; 427380 ; 427405 ; 4274 / ;
Abstract
Porous chrome plated surfaces are densified by treating the surface with a chromic acid solution and heating the treated surface to convert the chromic acid to chromic oxide. Repeated treating and conversion steps may be used to completely fill the pores and cracks.