(19)
(11)
EP 0 157 769 A1
(12)
(43)
Date of publication:
16.10.1985
Bulletin 1985/42
(21)
Application number:
83903632.0
(22)
Date of filing:
17.10.1983
(51)
International Patent Classification (IPC):
B62D
63/
06
( . )
E02F
3/
76
( . )
E01C
23/
082
( . )
E02F
9/
02
( . )
(86)
International application number:
PCT/US1983/001498
(87)
International publication number:
WO 1985/001764
(
25.04.1985
Gazette 1985/10)
(84)
Designated Contracting States:
AT DE FR GB NL SE
(71)
Applicant:
LADWIG, Lawrence Orrin
Fountain Valley, CA 92708 (US)
(72)
Inventor:
LADWIG, Lawrence Orrin
Fountain Valley, CA 92708 (US)
(54)
DIRT ROAD SMOOTHING APPARATUS