Draft chamber
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Description
The broken line showing of draft chamber is included for the purpose of illustrating environment and forms no part of the claimed design.
Claims
We claim the ornamental design for a draft chamber, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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4976815 | December 11, 1990 | Hiratsuka et al. |
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D323661 | February 4, 1992 | Zwicker |
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D396277 | July 21, 1998 | Wallace et al. |
D445118 | July 17, 2001 | Zwicker et al. |
D641860 | July 19, 2011 | Okamoto et al. |
D641861 | July 19, 2011 | Okamoto et al. |
D645976 | September 27, 2011 | Murray et al. |
D1406173 | January 2011 | JP |
D1406218 | January 2011 | JP |
D1406513 | January 2011 | JP |
Patent History
Patent number: D729290
Type: Grant
Filed: Jul 23, 2013
Date of Patent: May 12, 2015
Assignee: Panasonic Healthcare Holdings Co., Ltd. (Tokyo)
Inventors: Fumio Yamada (Gunma), Akihiro Mochizuki (Gunma), Yasutoshi Okamoto (Tochigi)
Primary Examiner: Patricia Palasik
Application Number: 29/461,375
Type: Grant
Filed: Jul 23, 2013
Date of Patent: May 12, 2015
Assignee: Panasonic Healthcare Holdings Co., Ltd. (Tokyo)
Inventors: Fumio Yamada (Gunma), Akihiro Mochizuki (Gunma), Yasutoshi Okamoto (Tochigi)
Primary Examiner: Patricia Palasik
Application Number: 29/461,375
Classifications
Current U.S. Class:
Material Working, Abrading, Or Founding Machinery (D15/122)