USD293950SExpiredUtility

Portable machine for wet or dry vacuum extraction

85
Assignee: RUG DOCTOR INCPriority: Feb 1, 1985Filed: Feb 1, 1985Granted: Jan 26, 1988
Est. expiryFeb 1, 2005(expired)· nominal 20-yr term from priority
Inventors:Stanley D. OgdenDouglas A. Hembd
85
PatentIndex Score
37
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a portable machine for wet or dry vacuum extraction, as shown.

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