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:
Sep. 30, 1980
Filed:
Mar. 10, 1978
Applicant:
Inventor:
William L Elliott, Millwood, VA (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
B23B / ; B23B / ;
U.S. Cl.
CPC ...
408229 ; 408199 ; 407 61 ; 144219 ;
Abstract
A drill bit comprising a shank having three cutting blades extending radially therefrom with the longitudinal cutting edges of the blades defining a right circular cylinder coaxial with the axis of the shank. At the working end of the shank a countersink cutting point is formed by the cutting edges of the blades sloping together to a common point on the axis of the shank and defining a right circular cone.
Quick Actions:
Elliott, William. (1980). Drill bit (U.S. Patent No. 4225275). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4225275
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile