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. 05, 1977
Filed:
Sep. 12, 1975
Applicant:
Inventor:
Charles W Haldeman, Concord, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428246 ; 156243 ; 156245 ; 264257 ; 264331 ; 428408 ; 428421 ;
Abstract
An ablative material for use with reentry vehicles and characterized by having a low plasma electron density. The material is a laminated composite composed of about 15.6 percent by weight carbon, 3.4 percent by weight phenolic resin, and 81 percent by weight polytetrafluoroethylene.