USD261413SExpiredUtility

Vacuum filter

59
Individually held — no corporate assignee on recordPriority: Oct 1, 1979Filed: Oct 1, 1979Granted: Oct 20, 1981
Est. expiryOct 1, 1999(expired)· nominal 20-yr term from priority
Inventors:Roy T. Eddleman
59
PatentIndex Score
7
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a vacuum filter, as shown.

Join the waitlist — get patent alerts

Track USD261413S — get alerts on status changes and closely related new filings.

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