USD498765SExpiredUtility

Gas detector pump

47
Assignee: GASTEC CORPPriority: Sep 29, 2003Filed: Dec 16, 2003Granted: Nov 23, 2004
Est. expirySep 29, 2023(expired)· nominal 20-yr term from priority
Inventors:Takashi Nakazato
47
PatentIndex Score
6
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The original design for gas detector pump, as shown.

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