Patent
   D821190
Priority
Jun 22 2016
Filed
Jun 22 2016
Issued
Jun 26 2018
Expiry
Jun 26 2033
Assg.orig
Entity
unknown
2
15
n/a
The ornamental design for a door knocker, as shown and described.

FIG. 1 is a perspective view of a door knocker;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawings illustrate portions of the door knocker which form no part of the claimed design.

Healy, Michael

Patent Priority Assignee Title
D913150, Jul 30 2020 Article of embellishment
ER906,
Patent Priority Assignee Title
4108104, Jun 29 1977 RB Toy Development Co. One piece plastic molded structural unit and door knocker constructed therefrom
8327793, Jan 04 2010 Door knocker
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164954,
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D625592, Jan 04 2010 Set of door knockers
D625593, Jan 04 2010 Set of door knockers
D639700, May 06 2008 ADAMS MFG CORP Molded plastic ribbon
D646949, Jul 19 2007 Envelope opener
D666938, Jan 19 2012 Ribbon display holder for a cord
D723967, Apr 19 2013 The Shayna Youkhana Irrevocable Trust Ribbon chain
D726570, May 18 2012 9077-4092 QUEBEC INC Lanyard
D761686, Jul 20 2014 Ribbon
D790380, Jun 22 2016 Doorbell ringer
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