USD283621SExpiredUtility

Air cleaner

78
Assignee: DONALDSON CO INCPriority: Sep 30, 1982Filed: Sep 30, 1982Granted: Apr 29, 1986
Est. expirySep 30, 2002(expired)· nominal 20-yr term from priority
Inventors:Daniel S. GauerSteven AlsethBruce M. Sullivan
78
PatentIndex Score
17
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an air cleaner, substantially as shown and described.

Join the waitlist — get patent alerts

Track USD283621S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.