Patent
   D314896
Priority
Oct 15 1987
Filed
Oct 15 1987
Issued
Feb 26 1991
Expiry
Feb 26 2005
Assg.orig
Entity
unknown
6
8
n/a
The ornamental design for a jaw insert for power tongs, as shown and described.

FIG. 1 is an enlarged top-front perspective view of a jaw insert for power tongs, showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a rear elevational view;

FIG. 5 is a right side elevational view;

FIG. 6 is a bottom plan view; and

FIG. 7 is a left side elevational view thereof.

Haynes, Charles W.

Patent Priority Assignee Title
5451084, Sep 03 1992 WEATHERFORD TECHNOLOGY HOLDINGS, LLC Insert for use in slips
6332377, Jan 30 1997 WEATHERFORD TECHNOLOGY HOLDINGS, LLC Gripping arrangement for gripping casing
7231984, Feb 27 2003 Wells Fargo Bank, National Association Gripping insert and method of gripping a tubular
D516391, Sep 24 2004 Tongs
D675653, Apr 28 2010 MITSUBOSHI DIAMOND INDUSTRIAL CO , LTD Patterning tool
D781122, Sep 15 2015 Delaware Capital Formation, Inc; DELAWARE CAPITAL FORMATION, CIN Upper gripper jaw
Patent Priority Assignee Title
2150611,
2166449,
2558440,
2733624,
3916735,
187745,
D287928, Jan 25 1984 Top Kogyo Co., Ltd. Pivoted jaw wrench
29767,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 09 1987HAYNES, CHARLES W Cooper Industries, IncASSIGNMENT OF ASSIGNORS INTEREST 0047710657 pdf
Oct 15 1987Martin-Decker, Inc.(assignment on the face of the patent)
May 22 1990Cooper Industries, IncVARCO INTERNATIONAL, INC , A CORP OF CAASSIGNMENT OF ASSIGNORS INTEREST 0053770241 pdf
May 22 1990VARCO INTERNATIONAL, INC MARTIN-DECKER, INC , A CORP OF TXASSIGNMENT OF ASSIGNORS INTEREST 0053770260 pdf
Feb 20 1991MARTIN-DECKER, INC MARTIN-DECKER TOTCO, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS EFFECTIVE ON 03 04 19910058290095 pdf
Apr 23 1991MARTIN-DECKER TOTCO, INC A CORP OF TEXASVARCO INTERNATIONAL, INC A CORP OF CALIFORNIAASSIGNMENT OF ASSIGNORS INTEREST 0056950081 pdf
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