Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Design Patent
2003-07-22
2004-07-06
Zarfas, Louis S. (Department: 2914)
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Design Patent
active
D0492763
CLAIM:
The ornamental design for a duct slip cover, as shown and described.
REFERENCES:
patent: 2778398 (1957-01-01), Edwards
patent: D280438 (1985-09-01), Wendt
patent: D430284 (2000-08-01), Hernandez
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