Pipe coupling plug

- Nitto Kohki Co., Ltd.
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Description

FIG. 1 is a perspective view taken from the top, front and left side of a pipe coupling socket showing our new design;

FIG. 2 is a front elevational view thereof, the rear being a mirror image of the front;

FIG. 3 is a top plan view thereof, the bottom being a mirror image of the top;

FIG. 4 is a left side elevational view thereof; and,

FIG. 5 is a right side elevational view thereof.

Claims

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

Referenced Cited
U.S. Patent Documents
D229416 November 1973 Luckenbill et al.
D313067 December 18, 1990 Kotake et al.
D329495 September 15, 1992 Kotake
D333179 February 9, 1993 Mikiya et al.
D359797 June 27, 1995 Saito
5855227 January 5, 1999 Stucchi
D406881 March 16, 1999 Kuwabara
D434834 December 5, 2000 Goto
D442267 May 15, 2001 Kouda
D463537 September 24, 2002 Kozu et al.
Other references
  • Copending U.S. Design Application “Pipe Coupling Socket” by Kunihiko Gotoh and Hiroyuki Kitagawa, filed Dec. 17, 2002.
Patent History
Patent number: D482761
Type: Grant
Filed: Dec 17, 2002
Date of Patent: Nov 25, 2003
Assignee: Nitto Kohki Co., Ltd. (Tokyo)
Inventors: Kunihiko Gotoh (Tokyo), Hiroyuki Kitagawa (Tokyo)
Primary Examiner: Robin V. Taylor
Attorney, Agent or Law Firm: Wenderoth, Lind & Ponack, L.L.P.
Application Number: 29/172,679
Classifications
Current U.S. Class: Coupling Or Joint (D23/262); Cap, Plug, Vent Or Screen (11) (D23/260); Valve Or Body Therefor (D23/233)
International Classification: 2301;