USD468797SExpiredUtility
Cylindrical filter element
Est. expiryFeb 10, 2020(expired)· nominal 20-yr term from priority
Inventors:Joel A. Norton
31
PatentIndex Score
3
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.
Join the waitlist — get patent alerts
Track USD468797S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.