USD314174SExpiredUtility

Uninterruptible power supply system

90
Assignee: LUMEN ELECTRONICS CORPPriority: Aug 4, 1989Filed: Aug 4, 1989Granted: Jan 29, 1991
Est. expiryAug 4, 2009(expired)· nominal 20-yr term from priority
Inventors:Peter Wong
90
PatentIndex Score
33
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an uninterruptible power supply system, as shown.

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