Retractable blade utility knife

Description

FIG. 1 is a perspective view of a retractable blade utility knife, with the blade in a retracted position, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right end elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left end elevational view thereof;

FIG. 7 is a bottom elevational plan view thereof; and,

FIG. 8 is a perspective view of a retractable blade utility knife, with the blade extended to a position of use relative to the knife handle.

Claims

The ornamental design for a retractable blade utility knife, as shown and described.

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Inventors:	Ragland; H. Nicholas (Cincinnati, OH), Mariol; James F. (Cincinnati, OH)
Assignee:	The Lutz File & Tool Co. (Cincinnati, OH)
Appl. No.:	07/756,773
Filed:	September 9, 1991

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Current U.S. Class:	D8/99
Field of Search:	;D8/99 ;30/161,162,329,335,340,337

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References Cited [Referenced By]

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U.S. Patent Documents

D240500	July 1976	Richards
D249325	September 1978	Kollband
D286974	December 1986	Veverka
D290333	June 1987	Pashley
D293202	December 1987	West et al.
D296297	June 1988	Weimann et al.
D303089	August 1989	Roberts
D305096	December 1989	Tench et al.
D310475	September 1990	Weimann
D319378	August 1991	Wilcox
4005525	February 1977	Gringer
4139939	February 1979	Crooks
4320576	March 1982	Beermann
4517741	December 1988	Castelluzzo
4586256	May 1989	Weimann
4621425	November 1986	Stoutenberg
4761882	August 1988	Silverstein
4805304	February 1989	Knoop
4897920	February 1990	Dunbar
4930218	June 1990	Jacoff
4936014	June 1990	Shaanan et al.
4939839	July 1990	Gorst
4941260	July 1990	Castelluzzo
5005290	April 1991	Gilbert

Foreign Patent Documents

	2704019		Mar 1978		DE

Primary Examiner: Ansher; Bernard
Assistant Examiner: Hyder; Philip
Attorney, Agent or Firm: Killworth, Gottman, Hagan & Schaeff