Plug of pipe coupling
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FIG. 1 is a perspective view of a plug of pipe coupling when seen from the top and left side of the front, showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a cross section taken across FIG. 6 along line VIII—VIII.
The ornamental design for a plug of pipe coupling, as shown and described.
Filed: Dec 4, 2001
Date of Patent: Sep 24, 2002
Assignee: Nitto Kohki Co., Ltd. (Tokyo)
Inventors: Izumi Kozu (Tokyo), Tomoko Someya (Tokyo)
Primary Examiner: Robin V. Taylor
Attorney, Agent or Law Firm: Wenderoth, Lind & Ponack, L.L.P.
Application Number: 29/151,003