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:
Jan. 20, 1976
Filed:
Mar. 21, 1972
Applicant:
Inventors:
Nobuo Maruyama, Tokyo, JA;
Yasuo Sakaguchi, Iwaki, JA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47F / ;
U.S. Cl.
CPC ...
249114 ; 106 3828 ; 164 33 ; 156289 ; 156344 ; 162145 ; 162152 ; 264 29 ; 264D / ; 425 89 ; 425 90 ; 425436 ; 428368 ;
Abstract
Casting mold for metals, wherein paper-like sheet of carbon or graphite fibers is lined onto the inner surface of the mold to prevent seizure phenomenon between the mold and the cast article.