Patent US3137500A successfully refreshed from Google Patents.
US3137500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aviation type amusement device
Assignee: NORSTAN RES AND DEV CO
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Filing: 1960-06-27
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Granted: 1964-06-16
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Expires: 1980-06-27
Abstract
No abstract record available.
Inventors
- 👤 Norman H Stensager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:54
CPC Classifications
A; A63; A63G; A63G31/00; A63G31/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
AN AMUSEMENT DEVICE COMPRISING AN UPRIGHT RIGID TUBULAR SUPPORT HAVING AN OPEN UPPER END AND A CLOSED LOWER END, AN UPRIGHT CYLINDER HAVING A CLOSED UPPER END SLIDABLY MOUNTED IN CLOSE-FITTING RELATION WITHIN THE BORE OF SAID TUBULAR SUPPORT, A PISTON SLIDABLY RECEIVED WITHIN SAID CYLINDER AND HAVING AN END OF A PISTON ROD BEARING AGAINST THE CLOSED LOWER END OF SAID SUPPORT, MEANS FOR CONTROLLABLY INTRODUCING HYDRAULIC FLUID INTO SAID CYLINDER BETWEEN THE SAID PISTON AND THE CLOSED UPPER END OF SAID CYLINDER TO CAUSE THE LATTER TO EXTEND FROM SAID CYLINDER AND THEREBY THRUST SAID PISTON UPWARDLY WITHIN SAID SUPPORT, HYDRAULICALLY ACTUATED FLYING-MACHINE-SIMULATING APPARATUS MOVABLY CONNECTED TO THE UPPER END OF SAID CYLINDER AND SUPPORTED AND MOVED UPWARDLY AND DOWNWARDLY BY SAID CYLINDER AS HYDRAULIC FLUID IS INTRODUCED AND WITHDRAWN FROM BETWEEN THE UPPER END OF SAID CYLINDDER AND SAID PISTON, AND HYDRAULICALLY ACTUATED CONTROL MEANS BEARING AGAINST THE EXTERIOR WALLS OF SAID CYLINDER AND CONNECTED TO SAID APPARATUS IN MOVEMENT CONTROLLING RELATION.
Claim 2
Dependent Claim
165 words
AN AMUSEMENT DEVICE COMPRISING AN UPRIGHT RIGID TUBULAR SUPPORT HAVING AN OPEN UPPER END AND A CLOSED LOWER END, AN UPRIGHT CYLINDER HAVING A CLOSED UPPER END SLIDABLY MOUNTED IN CLOSE-FITTING RELATION WITHIN THE BORE OF SAID TUBULAR SUPPORT, A PISTON SLIDABLY RECEIVED WITHIN SAID CYLINDER AND HAVING AN END OF A PISTON ROD BEARING AGAINST THE CLOSED LOWER END OF SAID SUPPORT, MEANS FOR CONTROLLABLY INTRODUCING HYDRAULIC FLUID INTO SAID CYLINDER BETWEEN THE SAID PISTON AND THE CLOSED UPPER END OF SAID CYLINDER TO CAUSE THE LATTER TO EXTEND FROM SAID CYLINDER AND THEREBY THRUST SAID PISTON UPWARDLY WITHIN SAID SUPPORT, HYDRAULICALLY ACTUATED FLYING-MACHINE-SIMULATING APPARATUS MOVABLY CONNECTED TO THE UPPER END OF SAID CYLINDER AND SUPPORTED AND MOVED UPWARDLY AND DOWNWARDLY BY SAID CYLINDER AS HYDRAULIC FLUID IS INTRODUCED AND WITHDRAWN FROM BETWEEN THE UPPER END OF SAID CYLINDDER AND SAID PISTON, AND HYDRAULICALLY ACTUATED CONTROL MEANS BEARING AGAINST THE EXTERIOR WALLS OF SAID CYLINDER AND CONNECTED TO SAID APPARATUS IN MOVEMENT CONTROLLING RELATION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |