USD300553SExpiredUtility

Drum pump

Assignee: BOWSER PUMPS LTDPriority: Oct 14, 1986Filed: Nov 10, 1986Granted: Apr 4, 1989
Est. expiryOct 14, 2006(expired)· nominal 20-yr term from priority
Inventors:Karl Willis
57
PatentIndex Score
9
Cited by
6
References
1
Claims

Claims

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

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