USD252150SExpiredUtility

Carpet cleaning apparatus

40
Individually held — no corporate assignee on recordPriority: Apr 1, 1977Filed: Apr 1, 1977Granted: Jun 19, 1979
Est. expiryApr 1, 1997(expired)· nominal 20-yr term from priority
Inventors:Charles F. Webb
40
PatentIndex Score
2
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a carpet cleaning apparatus, as shown and described.

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