USD275395SExpiredUtility

Valved air pump

45
Assignee: MASON & PORTER LTDPriority: Jun 30, 1980Filed: Jun 30, 1980Granted: Sep 4, 1984
Est. expiryJun 30, 2000(expired)· nominal 20-yr term from priority
Inventors:Gordon Boswell
45
PatentIndex Score
4
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for the valved air pump, as shown and described.

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