USD321360SExpiredUtility

Foldable advertisement slide projector

Assignee: EASTERNTEC INCPriority: Jul 7, 1989Filed: Jul 7, 1989Granted: Nov 5, 1991
Est. expiryJul 7, 2009(expired)· nominal 20-yr term from priority
Inventors:Billy Cheng
37
PatentIndex Score
4
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a foldable advertisement slide projector, as shown and described.

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