USD451002SExpiredUtility
Pushbutton combination padlock and key system
Est. expiryMar 3, 2020(expired)· nominal 20-yr term from priority
Inventors:Eric Lai
86
PatentIndex Score
32
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1
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Claims
exact text as granted — not AI-modifiedThe ornamental design for a pushbutton combination padlock and key system, as shown and described.
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