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Patent
   D325160
Priority
Mar 29 1991
Filed
Mar 29 1991
Issued
Apr 07 1992
Expiry
Apr 07 2006
Inventors
Best, Walt…
Assg.orig
BEST LOCK …
Assg.curr
Best Lock …
Entity
unknown
Referenced by
6
References
16
Maint.:
n/a
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.
INVENTORS:

Best, Walter E., Bjornson, Timothy R., Borgmann, James W., Jacobs, Gary R.

THIS PATENT IS REFERENCED BY THESE PATENTS:
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
7412860, Mar 30 2007 ASSA ABLOY HIGH SECURITY GROUP INC Key blank and key
7552608, Mar 30 2007 ASSA ABLOY HIGH SECURITY GROUP INC Lock, key blank, and key of a hierarchical lock system
7788956, Mar 30 2007 ASSA ABLOY HIGH SECURITY GROUP INC Lock, key blank, and key of a hierarchical lock system
RE48585, Feb 18 2009 Winloc AG Profiled key for cylinder locks
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1782464,
2059129,
2803959,
3499304,
3605463,
4608842, Jun 25 1984 Zeiss Ikon AG Lock and key system
4683740, Jun 01 1984 Costruzioni Italiane Serrature Affini C.I.S.A. S.p.A. Cylinder lock with key, incorporating a picking preventing means
4787225, Nov 27 1985 DOM-Sicherheitstechnik GmbH & Co KG Key for a lock cylinder
4964288, Aug 16 1988 DOM-Sicherheitstechnik GmbH & Co. KG Locking device and reversible key
AT220505,
AU258614,
D278880, Aug 14 1981 GKN-Stenman AB Key blank
95077,
DK88591,
EP305953,
GB1355188,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 27 1991BEST, WALTER E BEST LOCK CORPORATION, 6161 EAST 75TH STREET INDIANAPOLIS, IN 46250, U S A , A CORP OF DE ASSIGNMENT OF ASSIGNORS INTEREST 0056720850 pdf
Mar 27 1991BJORNSON, TIMOTHY R BEST LOCK CORPORATION, 6161 EAST 75TH STREET INDIANAPOLIS, IN 46250, U S A , A CORP OF DE ASSIGNMENT OF ASSIGNORS INTEREST 0056720850 pdf
Mar 27 1991BORGMANN, JAMES W BEST LOCK CORPORATION, 6161 EAST 75TH STREET INDIANAPOLIS, IN 46250, U S A , A CORP OF DE ASSIGNMENT OF ASSIGNORS INTEREST 0056720850 pdf
Mar 27 1991JACOBS, GARY R BEST LOCK CORPORATION, 6161 EAST 75TH STREET INDIANAPOLIS, IN 46250, U S A , A CORP OF DE ASSIGNMENT OF ASSIGNORS INTEREST 0056720850 pdf
Mar 29 1991Best Lock Corporation(assignment on the face of the patent)
Mar 24 1998Best Lock CorporationLASALLE NATIONAL BANKSECURITY AGREEMENT0091030260 pdf
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