USD498765SExpiredUtility

Gas detector pump

Assignee: GASTEC CORPPriority: Sep 29, 2003Filed: Dec 16, 2003Granted: Nov 23, 2004

Est. expirySep 29, 2023(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The original design for gas detector pump, as shown.

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