USD440548SExpiredUtility

Electronic door message system

22
Priority: Feb 18, 2000Filed: Feb 18, 2000Granted: Apr 17, 2001
Est. expiryFeb 18, 2020(expired)· nominal 20-yr term from priority
Inventors:Nigel KershBhikhu A. Unvala
22
PatentIndex Score
2
Cited by
11
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a electronic door message system, as shown and described.

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