Motor vehicles – Special wheel base – With means for changing number of supporting wheels – or for...
Reexamination Certificate
2005-06-07
2005-06-07
Dickson, Paul N. (Department: 3616)
Motor vehicles
Special wheel base
With means for changing number of supporting wheels, or for...
C180S374000, C180S376000, C180S906000, C280S638000, C280S149100
Reexamination Certificate
active
06902022
ABSTRACT:
A tractor having a front end and a rear end adaptable for a variety of different environments. Methods related to the conversion of the tractor are also disclosed. In one embodiment, the invention includes a front wheel assembly that is removably attached to the front end of the tractor to facilitate adaptation of the tractor a various environments. Also, a steering actuator is removably attached to the front wheel assembly and fixedly attached to the chassis of the tractor.
REFERENCES:
patent: 1345498 (1920-07-01), McCartney
patent: 1825394 (1931-09-01), Gnaegy
patent: 1856068 (1932-05-01), Walter
patent: 1885486 (1932-11-01), Smyth
patent: 2074685 (1937-03-01), Engstrom
patent: 2504403 (1950-04-01), Finley
patent: 2750199 (1956-06-01), Hart
patent: 2874972 (1959-02-01), Andersen et al.
patent: 2890892 (1959-06-01), Strehlow
patent: 3672140 (1972-06-01), Furford
patent: 3721077 (1973-03-01), Van der Lely
patent: 3841429 (1974-10-01), Falcone et al.
patent: 4508188 (1985-04-01), Duke
patent: 4585084 (1986-04-01), Van der Lely
patent: 4736809 (1988-04-01), Kumazawa
patent: 4895217 (1990-01-01), Hueckler et al.
patent: 4924961 (1990-05-01), Bernardi
patent: 5005913 (1991-04-01), Kittle et al.
patent: 5013058 (1991-05-01), Kruger
patent: 5361860 (1994-11-01), Smith et al.
patent: 5562166 (1996-10-01), Griffen
patent: 5890986 (1999-04-01), Pritchard et al.
patent: 5970800 (1999-10-01), Gunneskov et al.
patent: 5971881 (1999-10-01), Jolliff
patent: 6070402 (2000-06-01), Korthius et al.
patent: 6139045 (2000-10-01), Vandenbark et al.
patent: 6152240 (2000-11-01), Nonhoff et al.
patent: 6273189 (2001-08-01), Gissler et al.
patent: 6655488 (2003-12-01), Braud
patent: 87207989 (1988-08-01), None
patent: 1076582 (1993-09-01), None
patent: 2215442 (1995-12-01), None
patent: 1129658 (1996-08-01), None
patent: 2289373 (1998-09-01), None
patent: 2306636 (1999-02-01), None
patent: 1229571 (1999-09-01), None
patent: 1240180 (2000-01-01), None
patent: 0025677 (1985-01-01), None
patent: 0196643 (1986-10-01), None
patent: 00421281 (1989-10-01), None
patent: 0364002 (1990-04-01), None
patent: 2676203 (1992-11-01), None
patent: 2058686 (1981-04-01), None
patent: WO 97/34051 (1997-09-01), None
Dickson Paul N.
Kirkpatrick & Lockhart Nicholson & Graham LLP
Rosenberg Laura B.
Society for Research and Initiatives (SRISTI)
LandOfFree
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