USD260741SExpiredUtility
Portable door alarm
Est. expiryJun 25, 1999(expired)· nominal 20-yr term from priority
Inventors:Yanta H. T. Lam
75
PatentIndex Score
12
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a portable door alarm, as shown.
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