USD426896SExpiredUtility
Ladder rung expander
Individually held — no corporate assignee on recordPriority: Nov 2, 1999Filed: Nov 2, 1999Granted: Jun 20, 2000
Est. expiryNov 2, 2019(expired)· nominal 20-yr term from priority
Inventors:Earl B. Brown
57
PatentIndex Score
17
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a ladder rung expander, as shown and described.
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