USD851766SActiveUtility
Cylindrical three-step filter
Est. expiryApr 11, 2037(~10.7 yrs left)· nominal 20-yr term from priority
Inventors:Paul Reardon
17
PatentIndex Score
1
Cited by
21
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a cylindrical three-step filter, as shown and described.Join the waitlist — get patent alerts
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