Vehicle with vacuum traction

Details Vehicle with vacuum traction Vehicle with vacuum traction

1989-04-25

1990-11-20

Hafer, Robert A.

Amusement devices: toys

Operated by relatively moving fluid or pressure differential

Including suction cup

446180, 446489, 180164, A63H 3340, A63H 3300, B60B 3900

Patent

active

049715917

ABSTRACT:
A vehicle comprising a chassis and slidable vacuum apparatus mounted on the chassis and arranged for slidable vacuum seal engagement with a support surface.

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