Plug for pipe coupling
Latest Nitto Kohki Co., Ltd. Patents:
Description
FIG. 1 is a perspective view taken from the top, front and left side of a plug for pipe coupling 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; and,
FIG. 7 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
5507534 | April 16, 1996 | Reifenberger et al. |
9-170688 | June 1997 | JPX |
10-220658 | August 1998 | JPX |
11-94169 | April 1999 | JPX |
- Imperial Fluid Transmission Components, Catalog No. 114-C, "Male Pipe Thread 45 degree elbow", p. 106, 1982. Imperial-Eastman, Catalog No. 112, Fitting "474-F", p. 38, Aug. 1966.
Patent History
Patent number: D434834
Type: Grant
Filed: Apr 29, 1999
Date of Patent: Dec 5, 2000
Assignee: Nitto Kohki Co., Ltd. (Tokyo)
Inventor: Kunihiko Goto (Tokyo)
Primary Examiner: James Gandy
Assistant Examiner: Reid Hecker
Law Firm: Wenderoth, Lind & Ponack, L.L.P.
Application Number: 0/104,179
Type: Grant
Filed: Apr 29, 1999
Date of Patent: Dec 5, 2000
Assignee: Nitto Kohki Co., Ltd. (Tokyo)
Inventor: Kunihiko Goto (Tokyo)
Primary Examiner: James Gandy
Assistant Examiner: Reid Hecker
Law Firm: Wenderoth, Lind & Ponack, L.L.P.
Application Number: 0/104,179
Classifications