US3213802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transportation means and method
Assignee: Individual
•
Filing: 1962-07-13
•
Granted: 1965-10-26
•
Expires: 1982-07-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph V Foa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:54
CPC Classifications
B; B61; B61B; B61B13/00; B61B13/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A HIGH-SPEED TRANSPORTATION SYSTEM COMPRISING, A FLUID-FILLED CONDUIT LINKING A PLURALITY OF STATION POINTS, THE FLUID IN SAID CONDUIT BEING SUBSTANTIALLY AT ATMOSPHERIC PRESSURE, A VEHICLE MOVABLE WITHIN AND GUIDED BY SAID CONDUIT, MEANS FOR PROPELLIONG SAID VEHICLE AT HIGH VELOCITY ALONG PORTIONS OF SAID CONDUIT INCLUDING MEANS FOR CONTINUOUSLY EFFECTING THE DISPLACEMENT AND TRANSFER OF THE FLUID FOR SUBSTANTIALLY DIRECTLY IN FRONT OF SAID VEHICLE TO SUBSTANTIALLY DIRECTLY BEHIND THE SAME WHILE MAINTAINING THE REMAINDER OF THE FLUID IN THE PORTION OF SAID CONDUIT OCCUPIED BY SAID VEHICLE SUBSTANTIALLY AT REST, SAID VEHICLE HVING A MAXIMUM CROSS-SECTION LESS THAN THAT OF SAID CONDUIT WITH THE VEHICLE AND THE CONDUIT FORMING A SPACE THEREBETWEEN THROUGH WHICH PASSES A SUBSTANTIAL PORTION OF THE FLUID TRANSFERRED FROM IN FRONT OF TO BEHIND SAID VEHICLE.
Claim 2
Dependent Claim
132 words
A HIGH-SPEED TRANSPORTATION SYSTEM COMPRISING, A FLUID-FILLED CONDUIT LINKING A PLURALITY OF STATION POINTS, THE FLUID IN SAID CONDUIT BEING SUBSTANTIALLY AT ATMOSPHERIC PRESSURE, A VEHICLE MOVABLE WITHIN AND GUIDED BY SAID CONDUIT, MEANS FOR PROPELLIONG SAID VEHICLE AT HIGH VELOCITY ALONG PORTIONS OF SAID CONDUIT INCLUDING MEANS FOR CONTINUOUSLY EFFECTING THE DISPLACEMENT AND TRANSFER OF THE FLUID FOR SUBSTANTIALLY DIRECTLY IN FRONT OF SAID VEHICLE TO SUBSTANTIALLY DIRECTLY BEHIND THE SAME WHILE MAINTAINING THE REMAINDER OF THE FLUID IN THE PORTION OF SAID CONDUIT OCCUPIED BY SAID VEHICLE SUBSTANTIALLY AT REST, SAID VEHICLE HVING A MAXIMUM CROSS-SECTION LESS THAN THAT OF SAID CONDUIT WITH THE VEHICLE AND THE CONDUIT FORMING A SPACE THEREBETWEEN THROUGH WHICH PASSES A SUBSTANTIAL PORTION OF THE FLUID TRANSFERRED FROM IN FRONT OF TO BEHIND SAID VEHICLE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |