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:
Nov. 25, 1980
Filed:
Apr. 04, 1979
Applicant:
Inventors:
John W Borkowski, Ridgway, PA (US);
La Vern Lenze, Jr, St. Marys, PA (US);
Alan F Campbell, St. Marys, PA (US);
William A Nystrom, St. Marys, PA (US);
Assignee:
Stackpole Carbon Company, St. Marys, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423448 ; 106307 ; 423445 ;
Abstract
Vermiform graphite is compressed to produce a preform with a density of about 0.03 to 0.8 g/cc, followed by comminuting the preform to produce a graphite molding powder that will have a typical mold fill-ratio between about 7 and 10 to 1 for making molded graphite parts with a density of at least 1.1 g/cc.
Borkowski, John. (1980). Graphite molding powder and method of preparation (U.S. Patent No. 4235859). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4235859
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile