Recessed spiral spline seat male pipe coupling
Latest PipeLife Jet Stream, Inc. Patents:
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
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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
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