Draft chamber

Details Draft chamber Draft chamber

2011-07-19

2011-07-19

Muller, David (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Design Patent

active

D0641861

CLAIM:
The ornamental design for a draft chamber, as shown and described.

REFERENCES:
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patent: D277131 (1985-01-01), Shames et al.
patent: D295216 (1988-04-01), Morris et al.
patent: 4852471 (1989-08-01), Lansing
patent: 4976815 (1990-12-01), Hiratsuka et al.
patent: D328777 (1992-08-01), Thalmann et al.
patent: D360682 (1995-07-01), Gilkison et al.
patent: D402498 (1998-12-01), Howard et al.
patent: 6613115 (2003-09-01), Moore
patent: 6623538 (2003-09-01), Thakur et al.
patent: 6632260 (2003-10-01), Siemers et al.
patent: D587796 (2009-03-01), Reese et al.

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