USD551450SExpiredUtility
Optical case
Est. expiryJun 14, 2026(expired)· nominal 20-yr term from priority
Inventors:Kinsen Ka Fai Au
36
PatentIndex Score
2
Cited by
12
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for an optical case, as shown and described.Join the waitlist — get patent alerts
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