PTO Wrapper PDF
Dossier Espace Google
Patent
   D256551
Priority
Jul 31 1978
Filed
Jul 31 1978
Issued
Aug 26 1980
Expiry
Aug 26 1994
Inventors
Webb, Clay…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
12
References
3
Maint.:
n/a
The ornamental design for a door locking chain, as shown and described.

FIG. 1 is an isometric view of a door locking chain showing my new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a left side elevational view thereof.

FIG. 4 is a right side elevational view thereof.

FIG. 5 is a rear elevational view thereof.
INVENTORS:

Webb, Clay M.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D295606, Feb 14 1986 Lock for double doors
D309092, May 13 1988 INVISTA NORTH AMERICA S A R L Cargo box door safety chain
D675900, Dec 11 2011 Portable door lock
D798687, Dec 26 2016 Hinge lock
D884456, Oct 11 2019 Portable door lock
D890596, Nov 29 2018 Refrigerator door lock
D924038, Dec 03 2020 Portable door lock
ER5803,
ER5925,
ER7344,
ER8217,
ER8232,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3738694,
AU226648,
DE228826,
ASSIGNMENT RECORDS    Assignment records on the USPTO
Executed onAssignorAssigneeConveyanceFrameReelDoc
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule