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. 24, 1979
Filed:
Oct. 25, 1977
Applicant:
Inventor:
William B Tarpley, Jr, West Chester, PA (US);
Assignee:
Energy and Minerals Research Co., Kennett Square, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73594 ; 73644 ;
Abstract
The roof and walls of a mine are inspected for fissures, channels and other geological structure by use of a vibratory energy transmitter and a vibratory energy receiver each of which are forced into contact with the wall or roof by a jack with little or no loss of vibratory energy. The frequency of vibration is between 10 and 100 kilohertz.
Quick Actions:
Tarpley, Jr, William. (1979). Mine roof and wall inspection apparatus and method (U.S. Patent No. 4150576). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4150576
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile