USD513200SExpiredUtility

Backup alarm

53
Assignee: LAI HSI CHIPriority: Nov 19, 2004Filed: Nov 19, 2004Granted: Dec 27, 2005
Est. expiryNov 19, 2024(expired)· nominal 20-yr term from priority
Inventors:Hsi-Chi Lai
53
PatentIndex Score
10
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for backup alarm, as shown and described.

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