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.

Date of Patent:
May. 17, 1977

Filed:

Aug. 20, 1975
Applicant:
Inventor:

Derrel D Webb, Houston, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
294 863 ;
Abstract

An overshot tool having a cylindrical grapple seated within the bowl of a tubular body, each of the grapple and bowl having longitudinal slots extending from each end thereof, and tangs being carried within the body and extending into the slots to limit rotation of the grapple with respect to the body.


Find Patent Forward Citations

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Webb, Derrel. (1977). Overshot tool (U.S. Patent No. 4023847). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4023847

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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