Triangular screwdriver handle


FIG. 1 is a top plan view of the triangular screwdriver handle constituting our new design, the shank being shown in phantom and thus not forming part of the claimed invention;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof, the other side being identical;

FIG. 4 is a front view thereof; and,

FIG. 5 is a rear view thereof.

Referenced Cited
U.S. Patent Documents
D201171 May 1965 Knudsen et al.
D256547 August 26, 1980 Holland-Letz
D261980 November 24, 1981 Fee et al.
D270706 September 27, 1983 Cleminshaw
D297501 September 6, 1988 Huxtable
D312563 December 4, 1990 Hillinger
D360344 July 18, 1995 Eggert et al.
D375669 November 19, 1996 Shiao
4951533 August 28, 1990 Hillinger
Other references
  • Copies of photographs of TOPLUS three-sided tool handle. Copies of photographs of four-sided tool handle with teardrop-shaped design on each side. Copies of photographs of four-sided tool handle with ribs on each side.
Patent History
Patent number: D398508
Type: Grant
Filed: Feb 18, 1997
Date of Patent: Sep 22, 1998
Assignee: Snap-on Technologies, Inc. (Lincolnshire, IL)
Inventors: Christopher D. Thompson (Milwaukee, WI), Daniel M. Eggert (Kenosha, WI), Timm R. Herman (Columbus, GA)
Primary Examiner: Philip S. Hyder
Law Firm: Emrich & Dithmar
Application Number: 0/66,771
Current U.S. Class: D 8/83; D8/107
International Classification: 0804;