Draft chamber

- Sanyo Electric Co., Ltd.
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Description

FIG. 1 is a front view of the draft chamber;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a left-side view thereof; and,

FIG. 7 is a perspective view looking from the upper left-side direction of the draft chamber.

Claims

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

Referenced Cited
U.S. Patent Documents
3777736 December 1973 Van Der Waaij et al.
D256613 August 26, 1980 Hilker
D288692 March 10, 1987 Wysolmierski
D290290 June 9, 1987 Jones, Jr.
D312304 November 20, 1990 Sexton
4976815 December 11, 1990 Hiratsuka et al.
D396277 July 21, 1998 Wallace et al.
D402498 December 15, 1998 Howard et al.
6368388 April 9, 2002 Kosmider et al.
6623538 September 23, 2003 Thakur et al.
6632260 October 14, 2003 Siemers et al.
6966938 November 22, 2005 Burgin et al.
D566256 April 8, 2008 Abate et al.
Patent History
Patent number: D641860
Type: Grant
Filed: Aug 24, 2010
Date of Patent: Jul 19, 2011
Assignee: Sanyo Electric Co., Ltd. (Moriguchi, Osaka)
Inventors: Yasutoshi Okamoto (Moriguchi), Fumio Yamada (Moriguchi), Akihiro Mochizuki (Moriguchi), Yuko Kato (Moriguchi), So Kumazawa (Moriguchi)
Primary Examiner: David Muller
Attorney: Weingarten, Schurgin, Gagnebin & Lebovici LLP
Application Number: 29/368,449
Classifications
Current U.S. Class: Vent, Ductwork, Or Element Thereof (D23/393)