USD539687SExpiredUtility

Electronic whistle type alarm

Assignee: CHEN MIKEPriority: Dec 21, 2004Filed: Dec 21, 2004Granted: Apr 3, 2007
Est. expiryDec 21, 2024(expired)· nominal 20-yr term from priority
Inventors:Mike Chen
59
PatentIndex Score
11
Cited by
15
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for an electronic whistle type alarm, as shown and described.

Join the waitlist — get patent alerts

Track USD539687S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.