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

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Description

FIG. 1 is a front elevational view of a motorized extension tool used to open and close clerestory windows and skylights, showing my new design, shown fragmented to indicate indeterminate length;

FIG. 2 is a fragmented left side elevational view thereof, the opposite side being a mirror image;

FIG. 3 is a fragmented rear elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D297104 August 9, 1988 Svetlik
D304543 November 14, 1989 Somers et al.
D305093 December 19, 1989 Hoshino et al.
2637233 May 1953 Hoffman
2796101 June 1967 Hasemann et al.
2814322 November 1957 Kupfrian
3696694 October 1972 Boro
3802518 April 1974 Albert
Patent History
Patent number: D337251
Type: Grant
Filed: Sep 23, 1991
Date of Patent: Jul 13, 1993
Inventor: Thomas H. Miller (Rohnert Park, CA)
Primary Examiner: Bernard Ansher
Assistant Examiner: Philip Hyder
Attorney: Larry D. Johnson
Application Number: 7/764,380
Classifications
Current U.S. Class: D 8/61