Retractable blade knife

- NT Incorporated
Description

FIG. 1 is a perspective view of a retractable blade knife showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a front elevational view thereof, with the blade in a partially extended position; and,

FIG. 7 is a front elevational view thereof, with the blade in a retracted position.

Referenced Cited
U.S. Patent Documents
D245570 August 30, 1977 West et al.
D263277 March 9, 1982 Gregoire
D264801 June 8, 1982 Osada
D264802 June 8, 1982 Osada
D305096 December 19, 1989 Tench et al.
4805304 February 21, 1989 Knoop
4936014 June 26, 1990 Shaanan
5014429 May 14, 1991 McNamara
Patent History
Patent number: D336028
Type: Grant
Filed: Aug 9, 1991
Date of Patent: Jun 1, 1993
Assignee: NT Incorporated (Osaka)
Inventor: Yoshihiko Yoshimoto (Osaka)
Primary Examiner: Bernard Ansher
Assistant Examiner: Philip Hyder
Law Firm: Griffin Butler Whisenhunt & Kurtossy
Application Number: 7/743,575
Classifications
Current U.S. Class: D 8/99