Patent
   D419052
Priority
Jul 07 1998
Filed
Jul 07 1998
Issued
Jan 18 2000
Expiry
Jan 18 2014
Assg.orig
Entity
unknown
7
6
n/a
The ornamental design for a patio door lock, as shown and described.

FIG. 1 is a front perspective view of the patio door lock in an unlocked position;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a back elevational view thereof; and,

FIG. 8 is a front perspective view of the patio door lock in a locked position.

Laporte, Louis, Blouin, Jean

Patent Priority Assignee Title
10689890, Jun 30 2017 Door security device
11447991, Jun 30 2017 Door security device
11525301, Jun 18 2020 Rollup window cover
11560742, Jul 23 2019 Door security apparatus with sensor
11624220, Mar 19 2020 Security device for sliding door or sliding window assembly
11851924, Jun 30 2017 Door security device
8888146, Jan 31 2012 Security device for a sliding door or sliding window assembly
Patent Priority Assignee Title
3821884,
4295676, Jan 15 1980 Patio door security lock
4362328, May 19 1980 Truth Hardware Corporation Patio door lock
4379576, Oct 09 1980 Sliding closure security system
5228733, Nov 25 1992 Safety lock for sliding glass doors
D262939, Apr 05 1976 Safety locking device for garage doors
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 15 1998LAPORTE, LOUISDUDLEY, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0093040330 pdf
Jun 15 1998BLOUIN, JEANDUDLEY, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0093040330 pdf
Jul 07 1998Dudley, Inc.(assignment on the face of the patent)
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