Socket of pipe coupling for charging hydrogen

- Nitto Kohki Co., Ltd.
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Description

FIG. 1 is a front elevational view of a socket of pipe coupling for charging hydrogen showing my new design;

FIG. 2 is a rear 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 bottom plan view thereof; and,

FIG. 7 is a perspective view thereof when seen from the top and right side of the back.

Claims

The ornamental design for a socket of pipe coupling for charging hydrogen, as shown and described.

Referenced Cited
U.S. Patent Documents
455202 June 1891 Hampton
648363 April 1900 Stultz et al.
2145246 January 1939 Button
D318719 July 30, 1991 Blatt
5644930 July 8, 1997 Albertson et al.
6062606 May 16, 2000 Carpini et al.
6530605 March 11, 2003 Weh et al.
Patent History
Patent number: D482432
Type: Grant
Filed: Dec 17, 2002
Date of Patent: Nov 18, 2003
Assignee: Nitto Kohki Co., Ltd. (Tokyo)
Inventor: Koji Matsumoto (Tokyo)
Primary Examiner: Robin V. Taylor
Attorney, Agent or Law Firm: Wenderoth, Lind & Ponack, L.L.P.
Application Number: 29/172,678
Classifications
Current U.S. Class: Coupling Or Joint (D23/262); Pressure Regulating Or Relieving (D23/235)
International Classification: 2301;