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.

Date of Patent:
May. 11, 1976

Filed:

Sep. 18, 1972
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 ...
427226 ; 427379 ; 427380 ;
Abstract

Chromium oxide densification, bonding, hardening and strengthening of bodies having interconnecting porosity therein by impregnation with a chromium compound convertible to chromium oxide on heating, heating the impregnated body to convert the compound to chromium oxide and repeating the impregnation and heating steps. The body may be of any material composed of an oxide, has an oxide constituent or will form a well adhering oxide on its surface.


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Church, Peter. (1976). Chromium oxide densification, bonding, hardening and strengthening of (U.S. Patent No. 3956531). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3956531

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