USD271219SExpiredUtility

Disk for matrix display

51
Assignee: AMERICAN SIGN & INDICATOR COPriority: Dec 11, 1980Filed: Dec 11, 1980Granted: Nov 1, 1983
Est. expiryDec 11, 2000(expired)· nominal 20-yr term from priority
Inventors:Donald E. Morrison
51
PatentIndex Score
5
Cited by
2
References
1
Claims

Claims

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

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