USD257254SExpiredUtility
Foam generator for a cleaning machine
Individually held — no corporate assignee on recordPriority: May 19, 1978Filed: May 19, 1978Granted: Oct 7, 1980
Est. expiryMay 19, 1998(expired)· nominal 20-yr term from priority
Inventors:Thomas G. Lafferty
21
PatentIndex Score
1
Cited by
1
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental designs for a foam generator for a cleaning machine, as shown and described.
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