USD438136SExpiredUtility
Audible signal for alarm
Est. expiryDec 30, 2019(expired)· nominal 20-yr term from priority
Inventors:Masato Asahina
34
PatentIndex Score
2
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an audible signal for alarm, as shown and described.
Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.