Plug removal wrench

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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.

Referenced Cited
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.
Patent History
Patent number: D301112
Type: Grant
Filed: Mar 24, 1986
Date of Patent: May 16, 1989
Assignee: Burlington Northern Railroad (Fort Worth, TX)
Inventors: Ray D. Crabtree (Alliance, NE), Wayne A Krauter (Bridgeport, NE)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Clare E. Heflin
Law Firm: Fields, Lewis, Pittenger & Rost
Application Number: 6/845,786
Classifications
Current U.S. Class: D 8/21; D 8/29