Extension cord
United States Patent D801276

Lin, Haifeng (Beijing, CN)
Application Number:
Publication Date:
Filing Date:
Lin Haifeng
Primary Class:
International Classes:
(IPC1-7): 1303
Field of Search:
D13/139, D13/137, 307/117, 439/502
View Patent Images:
US Patent References:
D758313Multi-direction socketJune, 2016LinD13/139.1
D712837Case of electrical receptacleSeptember, 2014ChuangD13/139.1
D693770Power strip electrical outlet unitNovember, 2013MillerD13/139.2
D685741Electrical power stripJuly, 2013ByrneD13/139.7
D684119Power strip with simulated wood surfaceJune, 2013BarzmanD13/137.2
D682789Power platooninsert with USB interfacesMay, 2013AuD13/137.3
8376782Power strip with input plugFebruary, 2013Govekar439/502
D642982Power strip surge-protected adaptorAugust, 2011ShiD13/139.1
D636345Power stripApril, 2011CullenD13/137.4
7663866Remote control duo power setFebruary, 2010Lee307/117
D537041Surge protectorFebruary, 2007ChesebroD13/139.8
D507237Modified power stripJuly, 2005GregoryD13/139.8
D402963Power barDecember, 1998ParshadD13/139.6
D400505ReceptacleNovember, 1998YuD13/139.6
D401220Power stripNovember, 1998DwightD13/139.6

Primary Examiner:
Shields, Rhea
Attorney, Agent or Firm:
Chen, Che-yang
Law Offices of Scott Warmuth

1. The ornamental design for an extension cord, as shown and described.


FIG. 1 is a perspective view of an extension cord showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

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

FIG. 7 is a bottom plan view thereof.

In the drawings, the broken lines are for the purpose of illustrating environment only and form no part of the claimed design.