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:
Feb. 21, 1989
Filed:
Feb. 25, 1987
Applicant:
Inventors:
Assignee:
Kisojiban Consultants Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
73151 ; 175 50 ;
Abstract
A method and apparatus for investigating subsurface ground of a site to obtain and store information about soil conditions by pushing into the ground a cableless unit that includes a memory storage device able to collect the information throughout the whole investigation process. After completion of the process, the memory storage device is lifted up to the surface of the ground and is connected to a data processing unit located on the ground to extract the collected information on soil conditions.