Portion of a key blade blank

- Corbin Russwin, Inc.
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Description

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

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

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

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D278880 May 21, 1985 Widen
D286854 November 25, 1986 Fane et al.
D328856 August 25, 1992 Best et al.
D335253 May 4, 1993 Eizen
2803959 August 1957 Schlage
3499304 March 1970 Naujoks
4608842 September 2, 1986 Tietz
4964288 October 23, 1990 Braun et al.
Foreign Patent Documents
88591 February 1960 DKX
2740416 March 1979 DEX
Other references
  • Ilco Unican Corp. Catalogue No. 60R (1984) Key Blank #A1170B (p. 2). Ilco Unican Corp. Catalogue No. 60R (1984) Key Blank #1054F (p. 13). Emhart Corporation Drawing Warding Data--Sections 59AC, 62AC; 76D1; 59C1; 62C1; 59B1; 62B1; 59B, 62B, 59D1, 62D1; 59AB, 62AB; 59A, 62A, 59A1, 62A1; 59A2; 62AC, 59AD, 62AD; 59B2, 62B2; 59BD, 62BD; 59C2, 62C2; 59CD, 62CD; 59D2, 62D2; 59D, 62D; 59C, 62C.
Patent History
Patent number: D362796
Type: Grant
Filed: Aug 8, 1994
Date of Patent: Oct 3, 1995
Assignee: Corbin Russwin, Inc. (Berlin, CT)
Inventors: Anthony J. Hoffman (Newington, CT), Robert E. Kearns (San Francisco, CA)
Primary Examiner: Brian N. Vinson
Law Firm: Darby & Darby
Application Number: 0/26,819
Classifications
Current U.S. Class: D/8347