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Class Information
Number: 280/22
Name: Land vehicles > Runner vehicle > Occupant steered > Flexible runner
Description: Sleds in which the runners are hinged sections or of flexible construction, so that they can be bent out of straight lines to steer the vehicle.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7537221 |
Snow-sliding vehicle |
May. 26, 2009 |
| 7487975 |
Quad parabolic snowmobile ski |
Feb. 10, 2009 |
| 7438298 |
Steerable snow sled having multiple pivot points |
Oct. 21, 2008 |
| 7243926 |
Runner sled that is twistable during steering |
Jul. 17, 2007 |
| 7195254 |
Adjustable ski for a snowmobile |
Mar. 27, 2007 |
| 7159875 |
Articulated-severable snowboard also useable as emergency snowshoes |
Jan. 9, 2007 |
| 7100927 |
Articulated steerable sled |
Sep. 5, 2006 |
| 6955236 |
Snowmobile ski |
Oct. 18, 2005 |
| 6854743 |
Articulated steering sled |
Feb. 15, 2005 |
| 6692009 |
Snowmobile ski with offset runner and keel |
Feb. 17, 2004 |
| 6619676 |
Vehicle snow ski system |
Sep. 16, 2003 |
| 6431561 |
Snowmobile with asymmetric skis |
Aug. 13, 2002 |
| 6349950 |
Snow sled |
Feb. 26, 2002 |
| 6331008 |
One piece molded ski apparatus |
Dec. 18, 2001 |
| 5865446 |
Articulated two-section snow board |
Feb. 2, 1999 |
| 5687977 |
Steerable toboggan |
Nov. 18, 1997 |
| 5667229 |
Toboggan with runners |
Sep. 16, 1997 |
| 5618051 |
Articulated two-section snowboard |
Apr. 8, 1997 |
| 5601296 |
Toboggan |
Feb. 11, 1997 |
| 5573257 |
Flexible runner sled |
Nov. 12, 1996 |
| 5433458 |
Dog sled |
Jul. 18, 1995 |
| 5174591 |
Extendable nesting ski support |
Dec. 29, 1992 |
| 4682781 |
Sled skis |
Jul. 28, 1987 |
| 4530300 |
Sled with a board-sailing rig |
Jul. 23, 1985 |
| 4530509 |
Sled |
Jul. 23, 1985 |
| 4466627 |
Sled structure with runner connecting transverse link |
Aug. 21, 1984 |
| 4326725 |
Sleds |
Apr. 27, 1982 |
| 4262919 |
Articulated body-steerable sled with add-on modules |
Apr. 21, 1981 |
| 4243238 |
Sled |
Jan. 6, 1981 |
| 4225145 |
Skateboard apparatus |
Sep. 30, 1980 |
| 4199163 |
One-piece steerable sled |
Apr. 22, 1980 |
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