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. 01, 1988
Filed:
Dec. 22, 1986
Applicant:
Inventors:
Randall W Ojanen, Bristol, TN (US);
John R Anderson, Naugatuck, CT (US);
Assignee:
GTE Products Corporation, Danvers, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21C / ;
U.S. Cl.
CPC ...
299 92 ; 299 86 ;
Abstract
A cylindrical retainer which retains a cutting bit in a bore of a bit mount of a cutting tool, including a circumferential inner ridge which extends into a corresponding groove in the bit, and a plurality of circumferentially, spaced protuberances which bear against the wall of the bore.
Ojanen, Randall. (1988). Cylindrical retainer for a cutting bit (U.S. Patent No. 4728153). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4728153
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile