Plug removal wrench
Crabtree , et al. May 16, 1
U.S. patent number D301,112 [Application Number 06/845,786] was granted by the patent office on 1989-05-16 for plug removal wrench. This patent grant is currently assigned to Burlington Northern Railroad. Invention is credited to Ray D. Crabtree, Wayne A Krauter.
| United States Patent | D301,112 |
| Crabtree , et al. | May 16, 1989 |
Plug removal wrench
Claims
The ornamental design for the plug removal wrench, as shown and described.
| Inventors: | Crabtree; Ray D. (Alliance, NE), Krauter; Wayne A (Bridgeport, NE) |
|---|---|
| Assignee: | Burlington Northern Railroad
(Fort Worth, TX) |
| Appl. No.: | 06/845,786 |
| Filed: | March 24, 1986 |
| Current U.S. Class: | D8/21; D8/29 |
| Field of Search: | ;D8/14-17,19-29,105,107 ;81/119,120,121.1,125.1,177.1,436,488 ;29/270,278,213.1,255 |
References Cited [Referenced By]
U.S. Patent Documents
| 1347780 | July 1920 | Jacoby |
| 1533784 | April 1925 | Bellows |
| 1597785 | August 1926 | Grant |
| 2421665 | June 1947 | Umbdenstock |
| 2515558 | July 1950 | Kluth |
Other References
|
Snap-On Tools Catalog 3-1979, p. 252 item Caster-Camber wrench/Hand tool catalogs.. |
Primary Examiner: Dunkins; Bruce W.
Assistant Examiner: Heflin; Clare E.
Attorney, Agent or Firm: Fields, Lewis, Pittenger & Rost
Description
FIG 1 is a front perspective view of a plug removal wrench showing our new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is as top plan view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a front elevational view thereof;
FIG. 7 is a bottom plan view thereof.
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