USD403448SExpiredUtility
Tree grate
Est. expiryDec 17, 2017(expired)· nominal 20-yr term from priority
Inventors:Park Olson
10
PatentIndex Score
1
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedWhat is claimed is the ornamental design for a tree grate, as shown and described.
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