USD312900SExpiredUtility

Portable rotating drain cleaner

51
Assignee: NAT MANUFACTURING & SUPPLY CORPORATIONPriority: Mar 11, 1988Filed: Mar 11, 1988Granted: Dec 11, 1990
Est. expiryMar 11, 2008(expired)· nominal 20-yr term from priority
Inventors:V. Lee RussellKerry Cannon
51
PatentIndex Score
8
Cited by
14
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a portable rotating drain cleaner, as shown and described.

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