USD254564SExpiredUtility
Vacuum breaking tee
Individually held — no corporate assignee on recordPriority: Apr 16, 1979Filed: Apr 16, 1979Granted: Mar 25, 1980
Est. expiryApr 16, 1999(expired)· nominal 20-yr term from priority
Inventors:Robert L. Johnson
73
PatentIndex Score
10
Cited by
8
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a vacuum breaking tee, as shown.
Join the waitlist — get patent alerts
Track USD254564S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.