USD290881SExpiredUtility

Design for a corner piece for a base plate ventilation system

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Assignee: RITTINGE CHRISTERPriority: Apr 18, 1984Filed: Oct 11, 1984Granted: Jul 14, 1987
Est. expiryApr 18, 2004(expired)· nominal 20-yr term from priority
Inventors:Christer Rittinge
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PatentIndex Score
2
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a corner piece for a base plate ventilation system, as shown.

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