Plug of pipe coupling

- Nitto Kohki Co., Ltd.
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Description

FIG. 1 is a perspective view of a plug of pipe coupling when seen from the top and right side of the back, 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 top plan view thereof;

FIG. 6 is a cross section taken across FIG. 4 along line VI—VI; and,

FIG. 7 is a cross section taken across FIG. 2 along line VII—VII.

A rear elevational view is omitted as it appears symmetrical with the front elevational view. A bottom plan view is omitted as it appears to be the same as the top plan view.

Claims

The ornamental design for a plug of pipe coupling, as shown and described.

Referenced Cited
U.S. Patent Documents
D229417 November 1973 Luckenbill et al.
D333179 February 9, 1993 Mikiya et al.
D462112 August 27, 2002 Kozu et al.
Foreign Patent Documents
212735 January 1963 JP
363440 May 1973 JP
369693 September 1973 JP
474189 May 1978 JP
320768 October 1981 JP
744253 December 1988 JP
1105140 April 2001 JP
Patent History
Patent number: D471262
Type: Grant
Filed: Jul 24, 2002
Date of Patent: Mar 4, 2003
Assignee: Nitto Kohki Co., Ltd. (Tokyo)
Inventor: Izumi Kozu (Tokyo)
Primary Examiner: Robin V. Taylor
Attorney, Agent or Law Firm: Wenderoth, Lind & Ponack, L.L.P.
Application Number: 29/164,328
Classifications
Current U.S. Class: Coupling Or Joint (D23/262)
International Classification: 2301;