Tapered composition vent

Details Tapered composition vent Tapered composition vent

2007-08-21

2007-08-21

Zarfas, Louis (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Design Patent

active

29195520

CLAIM:
The ornamental design for a tapered composition vent, as shown and described.

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patent: D457234 (2002-05-01), O'Hagin et al.
patent: 6447390 (2002-09-01), O'Hagin
patent: 6491579 (2002-12-01), O'Hagin
patent: D503156 (2005-03-01), Provenzano
patent: D505195 (2005-05-01), Snyder

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