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. 10, 1978
Filed:
May. 04, 1976
Applicant:
Inventor:
Gary M Crase, Cypress, CA (US);
Assignee:
Smith International, Inc., Newport Beach, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
175 75 ; 285 89 ; 285 91 ; 285 93 ; 285184 ; 285333 ;
Abstract
An angle adjustment sub which permits the rotational adjustment of adjacent portions of a running string to bring the axis of adjacent portions of a running string, which are deviated at different vertical angles, into a common planar axis.