US3101943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amusement ride
Assignee: Individual
•
Filing: 1960-11-01
•
Granted: 1963-08-27
•
Expires: 1980-11-01
Abstract
No abstract record available.
Inventors
- 👤 Bartlett Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:27
CPC Classifications
A; A63; A63G; A63G1/00; A63G1/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
IN AN AMUSEMENT RIDE, A SUPPORT AND A PASSENGER CARRIER ADAPTED TO RAISE AND LOWER RELATIVE TO SAID SUPPORT, MEANS FOR RAISING SAID PASSENGER CARRIER, AND HYDRAULIC FORCE MEANS FOR CONTROLLING LOWERING MOVEMENT OF SAID CARRIER, SAID HYDRAULIC FORCE MEANS COMPRISING A CYLINDER AND A PISTON CONNECTED FOR MOVEMENT TOWARD ONE END OF SAID CYLINDER UPON RAISING MOVEMENT OF SAID CARRIER AND TOWARD THE OTHER END UPON LOWERING MOVEMENT OF SAID CARRIER, A LIQUID RESERVOIR, A FIRST CONDUIT THEREFROM LEADING TO SAID ONE END OF SAID CYLINDER, AND A SECOND CONDUIT THEREFROM LEADING TO SAID OTHER END OF SAID CYLINDER, SAID FIRST CONDUIT HAVING A PAIR OF CONNECTIONS WITH THE INTERIOR OF SAID RESERVOIR, ONE OF SAID CONNECTIONS HAVING A CHECK VALVE PROVIDING FREE COMMUNICATION INTO SAID CONDUIT FROM SAID RESERVOIR BUT PREVENTING RETROGRADE FLOW, SAID OTHER CONNECTION HAVING A PRESSURE RESPONSIVE CHECK VALVE PREVENTING FLOW FROM SAID RESERVOIR TO SAID CONDUIT AND PERMITTING FLOW FROM SAID CONDUIT TO SAID RESERVOIR ONLY UNDER PREDETERMINED DIFFERENTIAL PRESSURE OF THE ORDER OF SEVERAL ATMOSPHERES.
Claim 2
Dependent Claim
172 words
IN AN AMUSEMENT RIDE, A SUPPORT AND A PASSENGER CARRIER ADAPTED TO RAISE AND LOWER RELATIVE TO SAID SUPPORT, MEANS FOR RAISING SAID PASSENGER CARRIER, AND HYDRAULIC FORCE MEANS FOR CONTROLLING LOWERING MOVEMENT OF SAID CARRIER, SAID HYDRAULIC FORCE MEANS COMPRISING A CYLINDER AND A PISTON CONNECTED FOR MOVEMENT TOWARD ONE END OF SAID CYLINDER UPON RAISING MOVEMENT OF SAID CARRIER AND TOWARD THE OTHER END UPON LOWERING MOVEMENT OF SAID CARRIER, A LIQUID RESERVOIR, A FIRST CONDUIT THEREFROM LEADING TO SAID ONE END OF SAID CYLINDER, AND A SECOND CONDUIT THEREFROM LEADING TO SAID OTHER END OF SAID CYLINDER, SAID FIRST CONDUIT HAVING A PAIR OF CONNECTIONS WITH THE INTERIOR OF SAID RESERVOIR, ONE OF SAID CONNECTIONS HAVING A CHECK VALVE PROVIDING FREE COMMUNICATION INTO SAID CONDUIT FROM SAID RESERVOIR BUT PREVENTING RETROGRADE FLOW, SAID OTHER CONNECTION HAVING A PRESSURE RESPONSIVE CHECK VALVE PREVENTING FLOW FROM SAID RESERVOIR TO SAID CONDUIT AND PERMITTING FLOW FROM SAID CONDUIT TO SAID RESERVOIR ONLY UNDER PREDETERMINED DIFFERENTIAL PRESSURE OF THE ORDER OF SEVERAL ATMOSPHERES.
References Cited (Backward Citations)
US2306012A
Cited
US2895735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |