Key head
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Description
FIG. 1 is a top, front, and right side perspective view of a key head showing my new design;
FIG. 2 is an enlarged right side elevational view thereof;
FIG. 3 is an enlarged left side elevational view thereof;
FIG. 4 is an enlarged front elevational view thereof;
FIG. 5 is an enlarged rear elevational view thereof;
FIG. 6 is an enlarged bottom plan view thereof; and,
FIG. 7 is an enlarged top plan view thereof.
The broken-line disclosure of a portion of the key shank and bow is for illustrative purposes only and forms no part of the claimed design.
Referenced Cited
Patent History
Patent number: D330501
Type: Grant
Filed: Nov 27, 1991
Date of Patent: Oct 27, 1992
Assignee: Chicago Lock Company (Chicago, IL)
Inventor: Robert L. Steinbach (Glendale Heights, IL)
Primary Examiner: Brian N. Vinson
Attorneys: Basil E. Demeur, Alan B. Samlan
Application Number: 7/799,648
Type: Grant
Filed: Nov 27, 1991
Date of Patent: Oct 27, 1992
Assignee: Chicago Lock Company (Chicago, IL)
Inventor: Robert L. Steinbach (Glendale Heights, IL)
Primary Examiner: Brian N. Vinson
Attorneys: Basil E. Demeur, Alan B. Samlan
Application Number: 7/799,648
Classifications
Current U.S. Class:
D/8347