Recessed spiral spline seat male pipe coupling

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a top elevational view of a recessed spiral spline seat male pipe coupling showing my new ornamental design having a spiral spline seat recessed from the tapered end of the male pipe coupling providing a smooth gasket sealing surface;

FIG. 2 is a top projection view thereof showing the recessed spiral spline seat seat;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a back elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a bottom elevational view thereof; and,

FIG. 8 is a bottom perspective view thereof.

Claims

The ornamental design for a recessed spiral spline seat male pipe coupling, as shown and described.

Referenced Cited
U.S. Patent Documents
1464386 August 1923 Ingram
1820644 August 1931 Bach
2346051 April 1944 Seamark
2665931 January 1954 Vegren
2777718 January 1957 Vegren
3549181 December 1970 Larson
4040326 August 9, 1977 Breed
4317585 March 2, 1982 Boice
4397484 August 9, 1983 Miller
4475623 October 9, 1984 Gerber et al.
4491351 January 1, 1985 Galle, Jr. et al.
4629225 December 16, 1986 Rowsey
D407802 April 6, 1999 Hatfield et al.
D418210 December 28, 1999 Roesch
6179347 January 30, 2001 Dole et al.
6352288 March 5, 2002 Calkins
6363598 April 2, 2002 Staudt et al.
Patent History
Patent number: D480453
Type: Grant
Filed: Dec 5, 2002
Date of Patent: Oct 7, 2003
Assignee: PipeLife Jet Stream, Inc. (Siloam Springs, AR)
Inventor: John T. Filer (Siloam Springs, AR)
Primary Examiner: Robin V. Taylor
Attorney, Agent or Law Firms: Keisling & Pieper PLC, Trent C. Keisling, David B. Pieper
Application Number: 29/172,127
Classifications
Current U.S. Class: Coupling Or Joint (D23/262)
International Classification: 2301;