USD547548SExpiredUtility
Optical case
Est. expiryJun 14, 2026(expired)· nominal 20-yr term from priority
Inventors:Kinsen Ka Fai Au
66
PatentIndex Score
14
Cited by
13
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for an optical case, as shown and described.Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.