USD431997SExpiredUtility

Door blocking lock

33
Assignee: BLOCKIT & LOCKIT SYSTEMSPriority: Dec 3, 1999Filed: Dec 3, 1999Granted: Oct 17, 2000
Est. expiryDec 3, 2019(expired)· nominal 20-yr term from priority
Inventors:Harvey K. MarkegardJoseph M. Higgins
33
PatentIndex Score
2
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
We claim the ornamental design for the door blocking lock, as shown and described.

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