USD339434SExpiredUtility

In-line heater for hot water carpet cleaning extractors

38
Individually held — no corporate assignee on recordPriority: Jun 2, 1991Filed: Jun 2, 1991Granted: Sep 14, 1993
Est. expiryJun 2, 2011(expired)· nominal 20-yr term from priority
Inventors:William K. Shero
38
PatentIndex Score
3
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an in-line heater for hot water carpet cleaning extractors, as shown and described.

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