USD242793SExpiredUtility

Educational aide for teaching physical properties of light

45
Assignee: XEROX CORPPriority: Jan 28, 1975Filed: Jan 28, 1975Granted: Dec 21, 1976
Est. expiryJan 28, 1995(expired)· nominal 20-yr term from priority
Inventors:Michael J. Kane
45
PatentIndex Score
3
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design of an educational aide for teaching physical properties of light, substantially as shown and described.

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