Patent
   D324480
Priority
Mar 22 1990
Filed
Mar 22 1990
Issued
Mar 10 1992
Expiry
Mar 10 2006
Assg.orig
Entity
unknown
13
6
n/a
The ornamental design for a dropbolt lock, as shown and described.

FIG. 1 is a top, front, and right side perspective view of a dropbolt lock showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a top plan view thereof, the bottom being a mirror image of that shown.

Field, Peter H., Roop, Stevie C.

Patent Priority Assignee Title
7958758, Sep 13 2007 KNOX COMPANY, THE Electronic lock and key assembly
8276415, Mar 20 2009 KNOX ASSOCIATES, DBA KNOX COMPANY Holding coil for electronic lock
8347674, Sep 14 2006 Knox Associates Electronic lock and key assembly
8746023, Sep 14 2006 The Knox Company Electronic lock and key assembly
9041510, Dec 05 2012 KNOX ASSOCIATES, INC DBA KNOX COMPANY Capacitive data transfer in an electronic lock and key assembly
9424701, Sep 14 2006 The Knox Company Electronic lock and key assembly
9710981, Dec 05 2012 KNOX Associates, Inc. Capacitive data transfer in an electronic lock and key assembly
D371503, Nov 02 1994 Sanpou Lock Co., Ltd. Auxiliary lock
D372854, May 08 1995 Schlage Lock Company Deadbolt thumbturn
D402876, Feb 14 1997 LOCKWOOD SECURITY PRODUCTS PTY LIMITED Deadlock case
D402877, Feb 14 1997 LOCKWOOD SECURITY PRODUCTS PTY LIMITED Deadlock
D881677, Apr 27 2017 KNOX ASSOCIATES, INC DBA KNOX COMPANY Electronic key
ER6691,
Patent Priority Assignee Title
3760619,
4067212, Jun 23 1976 Door lock
D242840, Mar 31 1975 Cover plate for window lock or the like
D285772, May 11 1984 Medeco Security Locks, Inc. Dead-bolt lock
D297109, Jan 08 1986 Ogden Industries Pty. Ltd. Lock bolt housing
50286,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 22 1990Medeco Security Locks, Inc.(assignment on the face of the patent)
May 10 1990ROOP, STEVIE C MEDECO SECURITY LOCKS, INC , A CORP OF VA ASSIGNMENT OF ASSIGNORS INTEREST 0053690094 pdf
May 11 1990FIELD, PETER H MEDECO SECURITY LOCKS, INC , A CORP OF VA ASSIGNMENT OF ASSIGNORS INTEREST 0053690094 pdf
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