Sash lift
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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
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