USD476058SExpiredUtility
Cylindrical filter element
Est. expiryFeb 10, 2020(expired)· nominal 20-yr term from priority
Inventors:Joel A. Norton
72
PatentIndex Score
21
Cited by
28
References
1
Claims
Claims
exact text as granted — not AI-modifiedI claim the ornamental design for cylindrical filter element, as shown and described.
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