USD297560SExpiredUtility

Colloidalizing venturi valve

58
Assignee: ESSEF CORPPriority: Dec 16, 1985Filed: Dec 16, 1985Granted: Sep 6, 1988
Est. expiryDec 16, 2005(expired)· nominal 20-yr term from priority
Inventors:Edward T. Lebreton
58
PatentIndex Score
8
Cited by
7
References
1
Claims

Claims

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

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