US3112962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic suspension system
Assignee: Motors Liquidation Co
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Filing: 1962-01-17
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Granted: 1963-12-03
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Expires: 1982-01-17
Abstract
No abstract record available.
Inventors
- 👤 Argyle G Lautzenhiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:07
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/04; F16C32/0406; F16C32/044; F16C32/0474; F16C32/0487; F16C32/0444; F16C32/0446; F16C32/0448; F16C32/0451; F16C32/0453; Y; Y10; Y10T; Y10T74/00; Y10T74/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
A MAGNETIC SUSPENSION SYSTEM FOR MAGNETICALLY SUSPENDING A BODY AND COMPRISING A FERROMAGNETIC BODY MAGNETICALLY SUSPENDED BETWEEN TWO MAGNETIC FORCE PRODUCING MEANS, ONE OF THE MAGNETIC FORCE PRODUCING MEANS HAVING A MAGNETIC FLUX LEAKAGE GAP, A HALL EFFECT DEVICE LOCATED IN THE GAP, CIRCUIT MEANS CONNECTED WITH THE DEVICE FOR APPLYING AN EXCITING CURRENT TO THE DEVICE, OUTPUT CIRCUIT MEANS CONNECTED WITH THE DEVICE FOR COLLECTING VOLTAGES DEVELOPED BY THE DEVICE BY VIRTUE OF MAGNETIC FLUX APPLIED TO THE DEVICE FROM THE MAGNETIC FORCE PRODUCING MEANS, THE VOLTAGES VARYING IN MAGNITUDE IN ACCORDANCE WITH DISPLACEMENTS OF THE BODY WITH RESPECT TO THE MAGNETIC FORCE PRODUCING MEANS, CONTROL MEANS CONNECTED WITH THE OUTPUT CIRCUIT MEANS RESPONSIVE TO THE VOLTAGES DEVELOPED BY THE DEVICE AND OPERATIVE TO DEVELOP CONTROL SIGNALS INDICATIVE OF THE EXTENT AND DIRECTION OF DISPLACEMENTS OF THE BODY WITH RESPECT TO THE MAGNETIC FORCE PRODUCING MEANS, AND CIRCUIT MEANS ON ONE OF THE MAGNETIC FORCE PRODUCING MEANS CONNECTED WITH THE CONTROL MEANS AND RESPONSIVE TO THE CONTROL SIGNALS SO AS TO DEVELOP MAGNETIC FORCES OPPOSING THE DISPLACEMENTS OF THE BODY TO RESTORE THE BODY TO ITS ORIGINAL POSITION.
Claim 2
Dependent Claim
189 words
A MAGNETIC SUSPENSION SYSTEM FOR MAGNETICALLY SUSPENDING A BODY AND COMPRISING A FERROMAGNETIC BODY MAGNETICALLY SUSPENDED BETWEEN TWO MAGNETIC FORCE PRODUCING MEANS, ONE OF THE MAGNETIC FORCE PRODUCING MEANS HAVING A MAGNETIC FLUX LEAKAGE GAP, A HALL EFFECT DEVICE LOCATED IN THE GAP, CIRCUIT MEANS CONNECTED WITH THE DEVICE FOR APPLYING AN EXCITING CURRENT TO THE DEVICE, OUTPUT CIRCUIT MEANS CONNECTED WITH THE DEVICE FOR COLLECTING VOLTAGES DEVELOPED BY THE DEVICE BY VIRTUE OF MAGNETIC FLUX APPLIED TO THE DEVICE FROM THE MAGNETIC FORCE PRODUCING MEANS, THE VOLTAGES VARYING IN MAGNITUDE IN ACCORDANCE WITH DISPLACEMENTS OF THE BODY WITH RESPECT TO THE MAGNETIC FORCE PRODUCING MEANS, CONTROL MEANS CONNECTED WITH THE OUTPUT CIRCUIT MEANS RESPONSIVE TO THE VOLTAGES DEVELOPED BY THE DEVICE AND OPERATIVE TO DEVELOP CONTROL SIGNALS INDICATIVE OF THE EXTENT AND DIRECTION OF DISPLACEMENTS OF THE BODY WITH RESPECT TO THE MAGNETIC FORCE PRODUCING MEANS, AND CIRCUIT MEANS ON ONE OF THE MAGNETIC FORCE PRODUCING MEANS CONNECTED WITH THE CONTROL MEANS AND RESPONSIVE TO THE CONTROL SIGNALS SO AS TO DEVELOP MAGNETIC FORCES OPPOSING THE DISPLACEMENTS OF THE BODY TO RESTORE THE BODY TO ITS ORIGINAL POSITION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |