USD328304SExpiredUtility

Rotary fluid flow machine

Assignee: GERB BECKER GMBH & COPriority: May 11, 1990Filed: Nov 8, 1990Granted: Jul 28, 1992
Est. expiryMay 11, 2010(expired)· nominal 20-yr term from priority
80
PatentIndex Score
33
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a rotary fluid flow machine, as shown and described.

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