Patent
   D400178
Priority
Apr 24 1997
Filed
Apr 24 1997
Issued
Oct 27 1998
Expiry
Oct 27 2012
Assg.orig
Entity
unknown
6
4
n/a
The ornamental design for an extension coupler, as shown and described.

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

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof.

Liu, Danny

Patent Priority Assignee Title
D418112, May 13 1998 International Connectors & Cable Corporation Modular connector with termination cap
D458591, Oct 09 2001 Perfect-Three Mfg. Corp. Electrical connector
D481011, Jan 29 2003 Hsing Chau Industrial Co., Ltd. In-line coupler
D493167, Nov 11 2002 Tsay-E International Inc. Telephone line connector
D499073, May 07 2003 JYH ENG TECHNOLOGY CO , LTD Rotary insulation displacement connector
D857006, Jun 30 2017 Polarized modular telephone jack
Patent Priority Assignee Title
4241974, May 02 1979 AT & T TECHNOLOGIES, INC , Multi-outlet adapter for modular telephone cords
4258972, Nov 29 1977 C. A. Weidmuller KG Electrical socket connector
4648678, Jul 01 1985 HUBBELL PREMISE PRODUCTS, INC , A CORP OF DE Electrical connector
4904209, Dec 04 1987 AMP Incorporated Modular plug coupler
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 21 1997LIU, DANNYDAN-CHIEF ENTERPRISE CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0085320154 pdf
Apr 24 1997Dan-Chief Enterprise Co., Ltd.(assignment on the face of the patent)
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