USD283404SExpiredUtility

Color test chart for video systems

53
Individually held — no corporate assignee on recordPriority: Mar 11, 1983Filed: Mar 11, 1983Granted: Apr 15, 1986
Est. expiryMar 11, 2003(expired)· nominal 20-yr term from priority
Inventors:Matthew J. HeilerDennis W. Vance
53
PatentIndex Score
9
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a color test chart for video systems, as shown and described.

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