Air diffuser

Details Air diffuser Air diffuser

2006-03-21

2006-03-21

Spear, Robert M. (Department: 2915)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Design Patent

active

D0517678

CLAIM:
The ornamental design for an air diffuser, as shown and described.

REFERENCES:
patent: 1690001 (1928-10-01), Filkins
patent: 1694604 (1928-12-01), Ryan
patent: 5057648 (1991-10-01), Blough et al.
patent: 5185499 (1993-02-01), Yahraus
patent: D393707 (1998-04-01), Kelly
patent: 5746611 (1998-05-01), Brown et al.
patent: D396841 (1998-08-01), Taylor
patent: 6422935 (2002-07-01), Yampolski
patent: 6776709 (2004-08-01), Moore et al.

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