USD561412SExpiredUtility
Tube cleaning machine
Est. expiryDec 21, 2025(expired)· nominal 20-yr term from priority
Inventors:Joseph J. Franzino
38
PatentIndex Score
3
Cited by
10
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
I claim the ornamental design for tube cleaning machine, as shown and described.Join the waitlist — get patent alerts
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