US3955642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle
Assignee: Individual
•
Filing: 1974-12-31
•
Granted: 1976-05-11
•
Expires: 1994-12-31
Abstract
Abstract A vehicle having a hollow body opening at the bottom and adapted to be drawn under suction against the surface over which the vehicle travels. It can travel stably over any surface such as a wall surface, a slope surface or a ceiling surface not to say of a floor surface and can serve a wide variety of purposes including amusements and transportation purposes.
Inventors
- 👤 Makoto Shino
- 👤 Mitsuo Saito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:16
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L2201/00; Y; Y10; Y10S; Y10S180/00; Y10S180/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A vehicle comprising a hollow body formed to define an interior space with an opening at the bottom; a plurality of travelling wheels suspended on said body; a depending member suspended from the bottom peripheral edge of said body to serve the packing function in cooperation with the surface over which the vehicle travels; while drive means for driving at least one of said traveling wheels; a fan unit having a fan and fan drive means and arranged separate from said body, said fan having a suction port and a delivery port opening to the atmosphere, and a flexible, extensible air duct connecting the suction port of said fan with the interior of said body for fluid communication therewith, said air duct having a length sufficient to permit free movement of the vehicle independently of said fan unit on a surface including a floor surface, a vertical wall surface, a ceiling surface and a steep slope surface.
Claim 2
Dependent Claim
157 words
A vehicle comprising a hollow body formed to define an interior space with an opening at the bottom; a plurality of travelling wheels suspended on said body; a depending member suspended from the bottom peripheral edge of said body to serve the packing function in cooperation with the surface over which the vehicle travels; while drive means for driving at least one of said traveling wheels; a fan unit having a fan and fan drive means and arranged separate from said body, said fan having a suction port and a delivery port opening to the atmosphere, and a flexible, extensible air duct connecting the suction port of said fan with the interior of said body for fluid communication therewith, said air duct having a length sufficient to permit free movement of the vehicle independently of said fan unit on a surface including a floor surface, a vertical wall surface, a ceiling surface and a steep slope surface.
References Cited (Backward Citations)
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Cited
US3215218A
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Cited
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Cited
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Cited
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Cited
US3628625A
Cited
US3810515A
Cited
US3810515B1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-05-11 | 1979-11-10 | 1980-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-05-11 | 1983-11-10 | 1984-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-05-11 | 1987-11-10 | 1988-05-11 | $7700.00 | Window Closed / Lapsed |