USD653138SActiveUtility
Combination smoke and carbon monoxide detector
Est. expiryJun 27, 2031(~4.9 yrs left)· nominal 20-yr term from priority
12
PatentIndex Score
2
Cited by
8
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combination smoke and carbon monoxide detector, as shown and described.
Join the waitlist — get patent alerts
Track USD653138S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.