Selective control valve used to operate implements attached to a tractor
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Description
FIG. 1 is a side elevational view of a selective control valve used to operate implements attached to a tractor showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is an end elevational view thereof;
FIG. 4 is an end elevational view thereof, from the end opposite that shown in FIG. 3; and,
FIG. 5 is a reduced front perspective view thereof.
The bottom of the design is substantially flat and unornamented.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D172662 | July 1954 | Clade |
D187316 | February 1960 | Wright |
3448961 | June 1969 | Enssle |
3467132 | September 1969 | Parisi |
4913190 | April 3, 1990 | Kugler |
2188127 | September 1987 | GBX |
Patent History
Patent number: D326709
Type: Grant
Filed: May 15, 1989
Date of Patent: Jun 2, 1992
Assignee: Deere & Company (Moline, IL)
Inventors: Douglas M. Durant (Waterloo, IA), Larry M. Delfs (Waterloo, IA), Cristian J. Felix (Flushing, NY), William E. Crookes (Waldwick, NJ)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Lisa Lichtenstein
Application Number: 7/351,815
Type: Grant
Filed: May 15, 1989
Date of Patent: Jun 2, 1992
Assignee: Deere & Company (Moline, IL)
Inventors: Douglas M. Durant (Waterloo, IA), Larry M. Delfs (Waterloo, IA), Cristian J. Felix (Flushing, NY), William E. Crookes (Waldwick, NJ)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Lisa Lichtenstein
Application Number: 7/351,815
Classifications