USD454218SExpiredUtility

Parabolic projector

34
Assignee: SILL FRANZ GMBHPriority: Feb 28, 2001Filed: Jul 16, 2001Granted: Mar 5, 2002
Est. expiryFeb 28, 2021(expired)· nominal 20-yr term from priority
Inventors:Erhard Rahn
34
PatentIndex Score
2
Cited by
1
References
1
Claims

Claims

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

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