USD425019SExpiredUtility

Power unit

46
Assignee: SMART TECH & INVESTMENT LIMITEDPriority: Jul 21, 1999Filed: Jul 21, 1999Granted: May 16, 2000
Est. expiryJul 21, 2019(expired)· nominal 20-yr term from priority
Inventors:Li Zheng
46
PatentIndex Score
7
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2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a power unit, as shown.

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