USD587448SActiveUtility
Umbrella frame
Est. expiryApr 3, 2028(~1.7 yrs left)· nominal 20-yr term from priority
Inventors:Ching-Chuan You
71
PatentIndex Score
17
Cited by
9
References
1
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The ornamental design for an umbrella frame, as shown.Cited by (0)
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