Crank handle

- Andersen Corporation
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Description

FIG. 1 is a perspective view of a crank handle showing my new design;

FIG. 2 is an enlarged rear elevational view thereof;

FIG. 3 is an enlarged front elevational view thereof;

FIG. 4 is an enlarged left side elevational view thereof, the right side being a mirror image;

FIG. 5 is an enlarged top plan view thereof; and,

FIG. 6 is an enlarged bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D161022 November 1950 Haviland
D189473 December 1960 Bertsch
2290815 July 1942 Ruppel
2978927 April 1961 Blanton
3114542 December 1963 Ahlgren
4083264 April 11, 1978 Van Klompenburg
4220054 September 2, 1980 Kuhlman
Patent History
Patent number: D331531
Type: Grant
Filed: Dec 3, 1990
Date of Patent: Dec 8, 1992
Assignee: Andersen Corporation (Bayport, MN)
Inventors: James C. Guhl (Hudson, WI), Hartmut Ginnow-Merkert (Orono, MN), David J. Weiss (Stillwater, MN)
Primary Examiner: B. J. Bullock
Law Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt
Application Number: 7/621,548
Classifications
Current U.S. Class: D/8309; D/8400