USD294266SExpiredUtility

Liquid ring pump

74
Assignee: THE NASH ENG COMPANYPriority: May 8, 1986Filed: May 8, 1986Granted: Feb 16, 1988
Est. expiryMay 8, 2006(expired)· nominal 20-yr term from priority
Inventors:Carl G. DudeckOle B. Olsen
74
PatentIndex Score
16
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a liquid ring pump, as shown and described.

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