USD300034SExpiredUtility

Bellows pump

47
Assignee: IWAKI CO LTDPriority: May 26, 1986Filed: Nov 24, 1986Granted: Feb 28, 1989
Est. expiryMay 26, 2006(expired)· nominal 20-yr term from priority
Inventors:Norishige HirakawaKazuhiko SatoSatoru Hagiwara
47
PatentIndex Score
5
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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