Sash lift

- Amerock Corporation

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Description

FIG. 1 is a top plan view of a sash lift showing my new design;

FIG. 2 is a front elevational view.

FIG. 3 is a bottom plan view.

FIG. 4 is a rear elevational view.

FIG. 5 is a side elevational view as seen from the right side of FIG. 2, the side opposite being a mirror image;

FIG. 6 is a cross-section taken in the direction of the arrows on line 6--6 of FIG. 2.

Referenced Cited
U.S. Patent Documents
D126567 April 1941 Borchers
D132687 June 1942 Kupperman
D153835 May 1949 Sundberg et al.
D169532 May 1953 Deadrick
D212686 November 1968 Fowler
D248624 July 25, 1978 Spellier
2793386 May 1957 Muhlhauser
Patent History
Patent number: D297808
Type: Grant
Filed: Aug 21, 1986
Date of Patent: Sep 27, 1988
Assignee: Amerock Corporation (Rockford, IL)
Inventor: Richard J. King (Rockford, IL)
Primary Examiner: B. J. Bullock
Law Firm: Leydig, Voit & Mayer
Application Number: 6/898,643
Classifications
Current U.S. Class: D/8313