Portion of a key blade blank

The ornamental design for a portion of a key blade blank, as shown and described.

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

FIG. 2 is a reduced left side elevational view thereof;

FIG. 3 is a reduced right side elevational view thereof;

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

FIG. 5 is a reduced bottom plan view thereof.

Patent	Priority	Assignee	Title
5809816,	Dec 30 1993		Cylinder lock and key combination including a profiled key
6134929,	Dec 30 1993		Cylinder lock and key combination with a guiding profile ridge in the lock
RE48585,	Feb 18 2009	Winloc AG	Profiled key for cylinder locks

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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Mar 27 1991	BEST, WALTER E	BEST LOCK CORPORATION, A CORP OF DE	ASSIGNMENT OF ASSIGNORS INTEREST	005663	0215	pdf
Mar 27 1991	BJORNSON, TIMOTHY R	BEST LOCK CORPORATION, A CORP OF DE	ASSIGNMENT OF ASSIGNORS INTEREST	005663	0215	pdf
Mar 27 1991	BORGMANN, JAMES W	BEST LOCK CORPORATION, A CORP OF DE	ASSIGNMENT OF ASSIGNORS INTEREST	005663	0215	pdf
Mar 27 1991	JACOBS, GARY R	BEST LOCK CORPORATION, A CORP OF DE	ASSIGNMENT OF ASSIGNORS INTEREST	005663	0215	pdf
Mar 29 1991		Best Lock Corporation	(assignment on the face of the patent)
Mar 24 1998	Best Lock Corporation	LASALLE NATIONAL BANK	SECURITY AGREEMENT	009103	0260	pdf

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