Key blank

- GKN-Stenman AB

FIG. I is a perspective view of a key blank in upright position showing my new design;

FIG. II is a perspective view thereof with the key blank in lying position;

FIG. III is a side view thereof;

FIG. IV is a front view thereof; and

FIG. V is a plan view of the key blank in upright position.

The characteristic feature of my design resides in the specific configuration of the shank portion of the key blank, as best identified and illustrated in the drawings.

Referenced Cited
U.S. Patent Documents
D223431 April 1972 Muessel et al.
D223432 April 1972 Eisenreich
D233590 November 1974 Kerr
3313135 April 1967 Reisner
3688269 August 1972 Miller
3780550 December 1973 Simorghi
3786659 January 1974 Elder et al.
3841120 October 1974 Gartner
4099398 July 11, 1978 Lipschutz
4305267 December 15, 1981 Nish et al.
4336701 June 29, 1982 Raymond
4393673 July 19, 1983 Widen
Foreign Patent Documents
1242464 June 1967 DEX
577686 May 1946 GBX
2039321 August 1980 GBX
2089883 June 1982 GBX
Other references
  • Homecraft Lock Center Brochure, Gries Reproducer Co., p. 3, center column, third item from top, Key in foreground.
Patent History
Patent number: D278880
Type: Grant
Filed: Feb 10, 1982
Date of Patent: May 21, 1985
Assignee: GKN-Stenman AB (Eskilstuna)
Inventor: Bo Widen (Torshalla)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Horace B. Fay
Law Firm: Sughrue, Mion, Zinn, Macpeak and Seas
Application Number: 6/347,612
Current U.S. Class: D/8347