Appeal No. 2004-0072 Page 4
Application No. 09/904,341
See In re Fine, 837 F.2d 1071, 1074, 5 USPQ2d 1596, 1598 (Fed. Cir. 1988) and In re
Lintner, 458 F.2d 1013, 1016, 173 USPQ 560, 562 (CCPA 1972).
Claim 1, the only independent claim on appeal, reads as follows:
An anti theft device for a trailer which is adapted to be towed by a vehicle
comprising a pre-existing bracket attached to a side of the trailer [,] the bracket
having a[n] opening whose length extends parallel to the longitudinal direction of
the trailer and whose width is transverse thereto, a cylindrical pipe flattened at
one end thereof such that the flattened end is adapted to be received in the
bracket, the diameter of the cylindrical portion of the pipe exceeding the width of
the opening in the bracket, the pipe when received in the bracket and disposed
in a vertical relationship being adapted to lift the trailer slightly above the ground
and the bottom of the bracket being in contact with the cylindrical portion of the
pipe below the flattened end thereof.
Knutson's invention relates to a device which is attachable to the tail section of a
snowmobile to lock the snowmobile in an elevated position of rest to prevent theft of the
snowmobile. As shown in Figures 1-5, Knutson's anti-theft device 10 includes (1) a
U-shaped frame 18 attached to the tail section 14 of the snowmobile 12; (2) a hollow
sleeve 32 extending vertically from the U-shaped frame; and (3) a vertically extending
lift bar 64 slidably mounted in the hollow sleeve 32. The lift bar 64 includes a groove 68
defined in one side which is alignable with opposed openings 80 in the hollow sleeve 32
to receive a lock 82 so as to lock the lift bar in position with the tail section of the
snowmobile elevated.
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