Nitrogen extractor
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Description
Claims
The ornamental design for a nitrogen extractor, as shown and described.
Referenced Cited
U.S. Patent Documents
5224350 | July 6, 1993 | Mehra |
5599398 | February 4, 1997 | Lenglen |
20050095177 | May 5, 2005 | Golner et al. |
20050247311 | November 10, 2005 | Vacchiano et al. |
Patent History
Patent number: D554550
Type: Grant
Filed: Jul 14, 2005
Date of Patent: Nov 6, 2007
Assignee: Hakko Corporation (Osaka, Osaka)
Inventor: Toshikazu Mochizuki (Osaka)
Primary Examiner: Antoine D. Davis
Attorney: Squire, Sanders & Dempsey LLP
Application Number: 29/234,297
Type: Grant
Filed: Jul 14, 2005
Date of Patent: Nov 6, 2007
Assignee: Hakko Corporation (Osaka, Osaka)
Inventor: Toshikazu Mochizuki (Osaka)
Primary Examiner: Antoine D. Davis
Attorney: Squire, Sanders & Dempsey LLP
Application Number: 29/234,297
Classifications
Current U.S. Class:
Chemical (12) (D10/81)