Patent
   D330501
Priority
Nov 22 1989
Filed
Nov 27 1991
Issued
Oct 27 1992
Expiry
Oct 27 2006
Assg.orig
Entity
unknown
2
8
n/a
The ornamental design for the key head, having a key engaging end including an outer square shaped configuration and an inner circular configuration as shown and described.

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.

Steinbach, Robert L.

Patent Priority Assignee Title
D529371, Mar 24 2005 Electronic key
D766056, Aug 10 2015 Bottle opener bit holder
Patent Priority Assignee Title
1984202,
3251205,
3267706,
4619122, Dec 24 1984 Threadably engaged locking mechanism
4838060, May 12 1988 Fort Lock Corporation Tubular key and corresponding lock housing key entry construction
4870842, Dec 28 1987 Consolidated International Automotive, Inc. Security locking system for vehicle wheel nuts
D244081, Oct 05 1976 Chicago Lock Co. Key blank for an axial tumbler-type lock
D253160, Jan 16 1978 Chicago Lock Co. Key blank for an axial tumbler-type lock
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 27 1991Chicago Lock Company(assignment on the face of the patent)
Jan 10 2000Chicago Lock CompanyCompX International IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0110580749 pdf
Jan 10 2000TUBAR SECURITY PRODUCTS, INC CompX International IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0110580749 pdf
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