Door lock having a code-setting dial

Description

FIG. 1 is a front elevational view of a door lock having a code setting dial showing my new design;

FIG. 2 is a rear elevational view thereof.

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a top, front, and left side perspective view thereof.

Referenced Cited
U.S. Patent Documents
D290442 June 23, 1987 Floyd et al.
D305861 February 6, 1990 Kautt
2772555 December 1956 Smith
3187528 June 1965 Check
4637237 January 20, 1987 Witkoski et al.
Patent History
Patent number: D312957
Type: Grant
Filed: Sep 23, 1988
Date of Patent: Dec 18, 1990
Inventor: Yar-Shing Huang (Chungho City, Taipei Hsien)
Primary Examiner: Wallace D. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Browdy & Neimark
Application Number: 7/249,007
Classifications
Current U.S. Class: D/8341; D/8331