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. 16, 1996
Filed:
Aug. 18, 1994
Applicant:
Inventor:
Ron A Rose, Lufkin, TX (US);
Assignee:
Grinding & Sizing Co., Inc., Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; C09K / ;
U.S. Cl.
CPC ...
175 72 ; 507104 ;
Abstract
The cork or pith portion of various nuts is utilized as a seepage loss reducing additive without increasing, and in some cases reducing, the viscosity of the drilling mud used in drilling boreholes.