USD256304SExpiredUtility

Display device for spectacles

6
Individually held — no corporate assignee on recordPriority: Apr 11, 1979Filed: Apr 11, 1979Granted: Aug 12, 1980
Est. expiryApr 11, 1999(expired)· nominal 20-yr term from priority
Inventors:Arthur A. Marx
6
PatentIndex Score
0
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a display device for spectacles, substantially as shown and described.

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