USD337251SExpiredUtility

Motorized extension tool used to open and close clerestory windows and skylights

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Assignee: MILLER THOMAS HPriority: Sep 23, 1991Filed: Sep 23, 1991Granted: Jul 13, 1993
Est. expirySep 23, 2011(expired)· nominal 20-yr term from priority
Inventors:Thomas H. Miller
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PatentIndex Score
2
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a motorized extension tool used to open and close clerestory windows and skylights, as shown and described.

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