USD310594SExpiredUtility

Venturi unit for a vacuum lifter

45
Individually held — no corporate assignee on recordPriority: Apr 1, 1987Filed: Oct 1, 1987Granted: Sep 11, 1990
Est. expiryApr 1, 2007(expired)· nominal 20-yr term from priority
Inventors:Karl-Erik Johansson
45
PatentIndex Score
6
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a venturi unit for a vacuum lifter, as shown and described.

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