Double hung window

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Description

FIG. 1 is a perspective view of a double hung window, showing my new design; and,

FIG. 2 is a perspective view thereof taken from the other side.

Referenced Cited
U.S. Patent Documents
D213676 April 1969 Biro
D268996 May 17, 1983 Elleby, Jr. et al.
478593 July 1892 Gregg
988944 July 1911 Aufderheide
2304598 December 1942 Plym
2611934 September 1952 Milone
2775798 January 1957 Bent
2909813 October 1959 Wilson
4215517 August 5, 1980 Everson
4483099 November 20, 1984 Schmidt
Patent History
Patent number: D299544
Type: Grant
Filed: May 7, 1986
Date of Patent: Jan 24, 1989
Assignee: United Technologies Automotive, Inc. (Dearborn, MI)
Inventor: William A. Nolan (Louisville, KY)
Primary Examiner: A. Hugo Word
Application Number: 6/860,771
Classifications
Current U.S. Class: D25/52