USD475165SExpiredUtility
Intake closure for central vacuum cleaner
Est. expiryMar 27, 2021(expired)· nominal 20-yr term from priority
53
PatentIndex Score
10
Cited by
16
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an intake closure for central vacuum cleaner, as substantially shown and described.
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