USD472175SExpiredUtility
Carbon monoxide detector
Assignee: UNIVERSAL SECURITY INSTR INCPriority: Mar 25, 2002Filed: Mar 25, 2002Granted: Mar 25, 2003
Est. expiryMar 25, 2022(expired)· nominal 20-yr term from priority
Inventors:Jeffery Welsh
78
PatentIndex Score
39
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14
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1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a carbon monoxide detector, as shown and described.
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