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:
Jul. 12, 1977
Filed:
Jul. 15, 1975
Applicant:
Inventor:
Clifford McDonald Cockrell, New Orleans, LA (US);
Assignee:
Freeport Minerals Company, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21C / ;
U.S. Cl.
CPC ...
299 17 ; 166 68 ; 166105 ; 166 54 ; 299-5 ;
Abstract
Apparatus for and process of mining a subterranean granular ore deposit through a well bore where the ore is eroded from the ore matrix by one or more laterally directed jets of fluid, e.g. water, forming an ore-bearing slurry. The apparatus comprises: