USD340807SExpiredUtility

Combined tile and grout cleaning machine

16
Individually held — no corporate assignee on recordPriority: Oct 23, 1990Filed: Oct 23, 1990Granted: Nov 2, 1993
Est. expiryOct 23, 2010(expired)· nominal 20-yr term from priority
Inventors:George E. Fertal
16
PatentIndex Score
3
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a combined tile and grout cleaning machine, as shown and described.

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