USD305902SExpiredUtility

Opera glasses

32
Assignee: YOUNG OPTICAL CO LTDPriority: Apr 28, 1988Filed: Apr 28, 1988Granted: Feb 6, 1990
Est. expiryApr 28, 2008(expired)· nominal 20-yr term from priority
Inventors:Shoji WakayamaAkio Akiyama
32
PatentIndex Score
3
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for opera glasses, as shown and described.

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