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:
Nov. 16, 1982
Filed:
Jul. 31, 1980
Applicant:
Inventor:
Philip N Martin, Tulsa, OK (US);
Assignee:
Mapco, Inc., Tulsa, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
181116 ; 181401 ;
Abstract
A method of generating a seismic signal by forming a shallow hole in the earth's surface, at least partially filling the hole with liquid, positioning a projectile firing apparatus over the hole and firing a projectile downward into the hole impacting the liquid therein.