Key for door locks

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Description

FIG. 1 is a perspective view of a key for door locks showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a side perspective view of a key for door locks showing an alternate embodiment of my new design;

FIG. 9 is a left side elevational view thereof; and

FIG. 10 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D235189 May 1975 Tachi
D259994 July 28, 1981 Salcedo
D271279 November 8, 1983 Cziment
4616491 October 14, 1986 Genest
Other references
  • Ilco Catalogue #60R (1984) p. 114, Repli-Key Key Blank for E8 Yale.
Patent History
Patent number: D301302
Type: Grant
Filed: Jul 20, 1987
Date of Patent: May 30, 1989
Assignee: Masco Building Products Corp. (Taylor, MI)
Inventor: Yukio Yamashita (Pasadena, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Attorneys: Leon E. Redman, Malcolm L. Sutherland
Application Number: 7/75,856
Classifications
Current U.S. Class: D/8347