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:
Jun. 16, 1992
Filed:
Feb. 13, 1991
Applicant:
Inventor:
David A Mochizuki, Anchorage, AK (US);
Assignee:
Nabors Industries, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ; E21B / ; B66F / ;
U.S. Cl.
CPC ...
414 2261 ; 414 2252 ; 414 2258 ; 175 85 ;
Abstract
A fully articulating ramp extension provides a quick and efficient means of coupling a drilling module with a pipe shelter.