USD1117359SActiveUtility
Back-up ring
Est. expiryMay 10, 2042(~15.8 yrs left)· nominal 20-yr term from priority
Inventors:PONNUSAMY ANANDA SUDHAKAR
32
PatentIndex Score
0
Cited by
60
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a back-up ring, as shown and described.Join the waitlist — get patent alerts
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