Rigid pipe coupling

Details Rigid pipe coupling Rigid pipe coupling

2008-12-03

2009-12-08

Nelson, T. Chase (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Fitting

Design Patent

active

D0605734

CLAIM:
We claim the ornamental design for a rigid pipe coupling, as shown and described.

REFERENCES:
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patent: D593642 (2009-06-01), Copeland et al.
patent: 2003/0071460 (2003-04-01), Snyder et al.
patent: 2005/0146133 (2005-07-01), Snyder et al.
U.S. Appl. No. 29/328,916, filed Dec. 4, 2008, Vance W. Henry.

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