USD273089SExpiredUtility

Louvre opener

Assignee: THERMOFORCE LTDPriority: Apr 3, 1981Filed: Sep 15, 1981Granted: Mar 20, 1984

Est. expiryApr 3, 2001(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a louvre opener, as shown and described.

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