USD256248SExpiredUtility

Transparency projector

52
Assignee: GAF CORPPriority: Oct 18, 1977Filed: Apr 6, 1978Granted: Aug 5, 1980
Est. expiryOct 18, 1997(expired)· nominal 20-yr term from priority
Inventors:Jean P. E. Alt
52
PatentIndex Score
8
Cited by
0
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a transparency projector, substantially as shown.

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