USD327316SExpiredUtility

Vortex blower

49
Assignee: HITACHI LTDPriority: Oct 19, 1990Filed: Apr 19, 1991Granted: Jun 23, 1992
Est. expiryOct 19, 2010(expired)· nominal 20-yr term from priority
Inventors:Toshiharu YoshidomiTakeshi AbeEiichi ItoMasayuki FujioKazuo KobayashiKengo HasegawaYukio Chihara
49
PatentIndex Score
6
Cited by
4
References
1
Claims

Claims

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

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