Extension coupler

Description

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.

Referenced Cited
U.S. Patent Documents
4241974 December 30, 1980 Hardesty
4258972 March 31, 1981 Strate
4648678 March 10, 1987 Archer
4904209 February 27, 1990 Nelson
Other references
  • AT&T Premises Distribution Products, Adapter--Item No. 267A2, p. 7, .COPYRGT.1987.
Patent History
Patent number: D400178
Type: Grant
Filed: Apr 24, 1997
Date of Patent: Oct 27, 1998
Assignee: Dan-Chief Enterprise Co., Ltd. (Taipei)
Inventor: Danny Liu (Hsin-Tien)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Lavone D. Tabor
Law Firm: Madson & Metcalf
Application Number: 0/69,523
Classifications
Current U.S. Class: Linear Array Of Identical Repeating Ports Or Contacts (i.e., In-line Array) (D13/147)
International Classification: 1303;