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:
Jul. 04, 1978
Filed:
Sep. 09, 1977
Applicant:
Inventor:
Clifford M Rosenau, Willow Street, PA (US);
Assignee:
Armstrong Cork Company, Lancaster, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29F / ;
U.S. Cl.
CPC ...
264 80 ; 249134 ; 264225 ; 264337 ;
Abstract
A method for making a composite mold utilizing room temperature vulcanizing silicone rubber for the surface of the mold and room temperature vulcanizing polyurethane rubber for the rest of the mold.