Patent US3287676A successfully refreshed from Google Patents.
US3287676A
Expired / Lapsed
US
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Torque device having a diamagnetic rotor
Assignee: General Electric Co
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Filing: 1964-04-24
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Granted: 1966-11-22
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Expires: 1984-04-24
Abstract
No abstract record available.
Inventors
- 👤 Louis K Davis
- 👤 Sanford M Weinberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:33
CPC Classifications
F; F16; F16C; F16C39/00; F16C39/06; F16C39/063; B; B64; B64G; B64G1/00; B64G1/22; B64G1/24; B64G1/28; B64G1/32; F16C2326/00; F16C2326/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A DEVICE FOR PRODUCING RESTORING TORQUE UPON ROTATIONAL DISPLACEMENT FROM A NEUTRAL OR ZERO POSITION, COMPRISING: A MAGNETIC STRUCTURE AND AN DIAMAGNETIC STRUCTURE LOCATED AROUND A COMMON CENTER OF RELATIVE ROTATION, FREE TO ROTATE RELATIVELY THEREABOUT, SAID MAGNETIC STRUCTURE HAVING PAIRS OF MAGNETIC POLES OPPOSED TO THE SAID DIAMAGNETIC STRUCTURE, SAID DIAMAGNETIC STRUCTURE BEING MAGNETICALLY NON-UNIFORM IN A PLANE INCLUDING THE SAID CENTER OF RELATIVE ROTATION AND A PORTION OF THE SAID DIAMAGNETIC STRUCTURE.
Claim 2
Independent Claim
74 words
A DEVICE FOR PRODUCING RESTORING TORQUE UPON ROTATIONAL DISPLACEMENT FROM A NEUTRAL OR ZERO POSITION, COMPRISING: A MAGNETIC STRUCTURE AND AN DIAMAGNETIC STRUCTURE LOCATED AROUND A COMMON CENTER OF RELATIVE ROTATION, FREE TO ROTATE RELATIVELY THEREABOUT, SAID MAGNETIC STRUCTURE HAVING PAIRS OF MAGNETIC POLES OPPOSED TO THE SAID DIAMAGNETIC STRUCTURE, SAID DIAMAGNETIC STRUCTURE BEING MAGNETICALLY NON-UNIFORM IN A PLANE INCLUDING THE SAID CENTER OF RELATIVE ROTATION AND A PORTION OF THE SAID DIAMAGNETIC STRUCTURE.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |