USD427610SExpiredUtility

Pump impeller

38
Assignee: RAIBLE DONALD APriority: Jun 7, 1999Filed: Jun 7, 1999Granted: Jul 4, 2000
Est. expiryJun 7, 2019(expired)· nominal 20-yr term from priority
Inventors:Donald A. Raible
38
PatentIndex Score
3
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a pump impeller, as shown.

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