USD460568SExpiredUtility
Window insulating spacer
Est. expiryJun 25, 2021(expired)· nominal 20-yr term from priority
Inventors:Daniel John Messier
51
PatentIndex Score
9
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a window insulating spacer, as shown and described.
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