USD256945SExpiredUtility

Drum pump

79
Assignee: CAS LTD LEPriority: Jun 27, 1978Filed: Dec 13, 1978Granted: Sep 16, 1980
Est. expiryJun 27, 1998(expired)· nominal 20-yr term from priority
Inventors:Karl Willis
79
PatentIndex Score
17
Cited by
8
References
1
Claims

Claims

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

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