Portion of a key blade blank

- Best Lock Corporation
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Description

FIG. 1 is a front elevational view of a portion of a key blade blank showing our new design;

FIG. 2 is a reduced left side elevational view thereof;

FIG. 3 is a reduced right side elevational view thereof;

FIG. 4 is a reduced top plan view thereof; and,

FIG. 5 is a reduced bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D95077 April 1935 Schlage
D278880 May 21, 1985 Widen
1782464 November 1930 Falk
2059129 October 1936 Maxwell et al.
2803959 August 1957 Schlage
3499304 March 1970 Naujoks
3605463 September 1971 Epstein
4608842 September 2, 1986 Tietz
4683740 August 4, 1987 Errani
4787225 November 29, 1988 Hauser
4964288 October 23, 1990 Braun et al.
Foreign Patent Documents
258614 April 1965 AUX
220505 August 1961 ATX
88591 February 1960 DKX
305953 March 1989 EPX
1355188 June 1974 GBX
Other references
  • Ilco Unican Corp. Catalogue No. 60R (1984) Key Blank #1178 (p. 2). Ilco Unican Corp. Catalogue No. 60R (1984) Key Blank #D1054KA (p. 8). Ilco Unican Corp. Catalogue No. 60R (1984) Key Blank #1054HT (p. 13).
Patent History
Patent number: D324813
Type: Grant
Filed: Mar 29, 1991
Date of Patent: Mar 24, 1992
Assignee: Best Lock Corporation (Indianapolis, IN)
Inventors: Walter E. Best (Indianapolis, IN), Timothy R. Bjornson (Indianapolis, IN), James W. Borgmann (Carmel, IN), Gary R. Jacobs (Indianapolis, IN)
Primary Examiner: Brian N. Vinson
Law Firm: Barnes & Thornburg
Application Number: 7/677,812
Classifications
Current U.S. Class: D/8347