USD263050SExpiredUtility

Motor oil drain pump

28
Assignee: HAN BAEK TRADING CO LTDPriority: Aug 31, 1979Filed: Aug 31, 1979Granted: Feb 16, 1982
Est. expiryAug 31, 1999(expired)· nominal 20-yr term from priority
Inventors:Kyung T. Chang
28
PatentIndex Score
3
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for the motor oil drain pump, substantially as shown and described.

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