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:
Dec. 19, 2000
Filed:
Mar. 01, 1999
Applicant:
Inventor:
William J Brady, Creve Coeur, MO (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
175393 ; 175324 ; 1753252 ; 299 399 ; 299 411 ; 299 55 ; 299 813 ;
Abstract
A drive steel member for driving engagement with a rotary drilling machine, including a chuck adapter having main body and chuck seating elements and being constructed and arranged in fixed, sealing relation on on one end of the drive steel member.