Land vehicles – Wheeled – Coasters
Reexamination Certificate
1999-02-01
2001-04-03
Mar, Michael (Department: 3619)
Land vehicles
Wheeled
Coasters
C280S842000, C280S011222, C280S011227
Reexamination Certificate
active
06209894
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates, in general, to sleds, and, in particular, to a sled that can be used without snow on the ground.
DESCRIPTION OF THE PRIOR ART
In the prior art various types of sleds have been proposed. For example, U.S. Pat. No. Des. 302,958 to Shippee et al discloses a design for a wagon and one of the embodiments has wheels and the other embodiment has sled runners.
U.S. Pat. No. 4,291,891 to Blanchette discloses a sled having both sled runners and wheels attached to the bottom of the sled.
U.S. Pat. No. 4,244,593 to Malone discloses a sled which can be converted from having individual sled runners at the front and back to wheels at the front and back of the sled.
U.S. Pat. No. 4,337,957 to Heine discloses a conversion kit for converting a child's wagon to a sled.
U.S. Pat. No. 5,413,361 to Mosher discloses a set of ski rails that can be attached to the wheels of a wagon to convert the wagon to a sled.
U.S. Pat. No. 5,588,658 to Perner et al discloses a device for mounting rollers on inline roller skates at different vertical positions on the frame of the skates.
SUMMARY OF THE INVENTION
The present invention is directed to a sled, of the type which is normally provide with runners for use on snow, but in the present invention, the sled has been provided with wheels that can be used on a grassy surface. The sled of the present invention has wheel racks which are attached to the bottom of the base of the sled, and a plurality of oval wheels are attached to the wheel rack and the wheels extend from adjacent the front of the sled to adjacent the rear of the sled. The foremost wheels on the wheel rack are smaller that the remaining wheels to allow the sled to be used on grassy surfaces which do not have snow thereon. The smaller wheels will make it easier for the sled to roll on non-linear hills.
It is an object of the present invention to provide a new and novel sled which can be used when there is no snow on the ground.
It is an object of the present invention to provide a new and novel sled which can be used for entertainment by the entire family.
It is an object of the present invention to provide a new and novel sled which can be used in seasons other than winter.
These and other objects and advantages of the present invention will be fully apparent from the following description, when taken in connection with the annexed drawings.
REFERENCES:
patent: D. 302958 (1989-08-01), Shippee et al.
patent: 1778850 (1930-10-01), Duisenberg
patent: 4244593 (1981-01-01), Malone
patent: 4291891 (1981-09-01), Blanchette
patent: 4337957 (1982-07-01), Heine
patent: 5413361 (1995-05-01), Mosher
patent: 5588658 (1996-12-01), Perner et al.
patent: 5738360 (1998-04-01), Petell et al.
Mar Michael
McGlynn Joseph H.
Patent & Trademark Services
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