USD312153SExpiredUtility

Vacuum cleaner

34
Assignee: DEEP POWER LTDPriority: Jun 9, 1988Filed: Dec 8, 1988Granted: Nov 13, 1990
Est. expiryJun 9, 2008(expired)· nominal 20-yr term from priority
Inventors:Wong W. Kwong
34
PatentIndex Score
6
Cited by
5
References
1
Claims

Claims

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

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