USD272411SExpiredUtility
Portable door lock
Individually held — no corporate assignee on recordPriority: Mar 2, 1981Filed: Mar 2, 1981Granted: Jan 31, 1984
Est. expiryMar 2, 2001(expired)· nominal 20-yr term from priority
Inventors:Roman S. Yarosz
27
PatentIndex Score
4
Cited by
9
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a portable door lock, substantially as shown and described.
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