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. 28, 1992
Filed:
Jul. 03, 1991
Applicant:
Inventor:
Daniel M Woo, Missouri City, TX (US);
Assignee:
Shaw Industries, Ltd., Rexdale, CA;
Primary Examiner:
Int. Cl.
CPC ...
H04R / ;
U.S. Cl.
CPC ...
367187 ; 267161 ;
Abstract
An improved spring spider for geophones is disclosed that has the desired ratio of spurious resonant frequency to the natural frequency of the geophone and can absorb the sharp lateral forces imposed on the geophone during destructive testing and hand usage.
Quick Actions:
Woo, Daniel. (1992). Geophone spring (U.S. Patent No. 5134594). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5134594
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