USD418609SExpiredUtility
Bifunctional roof window with horizontal top and central pivot axes
Est. expiryApr 7, 2018(expired)· nominal 20-yr term from priority
Inventors:Claes Lindgren
50
PatentIndex Score
7
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1
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Claims
exact text as granted — not AI-modifiedA bifunctional roof window with horizontal top and central pivot axes, as shown and described.
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