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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.
|D223431||April 1972||Muessel et al.|
|3786659||January 1974||Elder et al.|
|4099398||July 11, 1978||Lipschutz|
|4305267||December 15, 1981||Nish et al.|
|4336701||June 29, 1982||Raymond|
|4393673||July 19, 1983||Widen|
- Homecraft Lock Center Brochure, Gries Reproducer Co., p. 3, center column, third item from top, Key in foreground.