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:
Mar. 14, 1995
Filed:
Dec. 11, 1992
Applicant:
Inventors:
Thomas J Carroll, Salem, NH (US);
Donald F Connors, Jr, Tewksbury, MA (US);
Raymond J Suplinskas, Haverhill, MA (US);
Garrett S Thurston, Lowell, MA (US);
Assignee:
Avco Corporation, Providence, RI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427228 ; 427226 ; 427229 ; 427249 ; 427250 ; 4272552 ; 4272557 ; 427379 ; 4274191 ; 4274197 ; 4274201 ; 427435 ;
Abstract
In accordance with the invention there is provided a method of producing a densified carbon preform having interior a porous region of graded carbon-silicon carbide, carbon-silicon nitride or ceramic-ceramic composition.