USD296556SExpiredUtility

Bellows pump

54
Assignee: IWAKI CO LTDPriority: Jul 8, 1986Filed: Nov 24, 1986Granted: Jul 5, 1988
Est. expiryJul 8, 2006(expired)· nominal 20-yr term from priority
Inventors:Norishige HirakawaKazuhiko SatoSatoru Hagiwara
54
PatentIndex Score
7
Cited by
2
References
1
Claims

Claims

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

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