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:
Apr. 17, 2018
Filed:
Jan. 06, 2016
Applicant:
Caterpillar Global Mining America Llc, Houston, TX (US);
Inventors:
Fernando Gonzalez, Sherman, TX (US);
James Michael Stringfield, Pottsboro, TX (US);
Richard Mark Hyde, Aurora, IL (US);
Joel Busker, Plainfield, IL (US);
Richard LaReau, Decatur, IL (US);
Assignee:
Caterpillar Global Mining America LLC, Houston, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/02 (2006.01); E04H 12/00 (2006.01); E21B 15/00 (2006.01);
U.S. Cl.
CPC ...
E21B 15/003 (2013.01); E21B 7/023 (2013.01);
Abstract
A modular mast for an earth-drilling machine includes a base module, a crown module, and a fastener. The crown module is coupled with the base module via the fastener. The base module and the crown module each have a surface lying in a common plane. The fastener does not extend beyond the common plane.