Patent US3309931A successfully refreshed from Google Patents.
US3309931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
In vf-ntors. paul r. adams carlos
Assignee: —
•
Filing: —
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Granted: 1967-03-21
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Expires: 1984-03-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:39
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/06; G01C19/08; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1261; Y10T74/1275; Y10T74/1282
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A GYROSCOPE COMPRISING A HOUSING HAVING A SPHERICAL INNER SURFACE, GIMBAL MEANS INCLUDING A HOLLOW SPHERE WITH THE OUTER SURFACE CORRESPONDING WITH SAID INNER SURFACE OF SAID HOUSING AND SPACED APART THEREFROM, MEANS SUPPORTING SAID GIMBAL MEANS FOR ROTATION ABOUT A GIMBALING AXIS WITHIN SAID HOUSING, A MOTOR STATOR COMPRISING A FIRST ANNULUS BEING AN EQUATORIAL SECTION OF SAID GIMBAL MEANS, A GYROWHEEL DISPOSED CENTRALLY WITHIN SAID GIMBAL MEANS, A MOTOR ROTOR COMPRISING A SECOND ANNULUS CONCENTRIC WITH SAID FIRST ANNULUS CARRIED BY SAID GYROWHEEL, SAID ROTOR BEING ADAPTED TO BE DRIVEN BY MAGNETIC FIELDS PRODUCED BY SAID STATOR WHEN SAID STATOR IS ENERGIZED, FLOATATION FLUID FILLING THE SPACE BETWEEN SAID HOUSING AND SAID GIMBAL MEANS AND SUPPORTING SAID GIMBAL MEANS FROM SAID HOUSING, ALL PARTS OF SAID GIMBAL MEANS, STATOR GYROWHEEL, AND ROTOR BEING SYMMETRICALLY DISPOSED RELATIVE TO ONE CRITICAL PLANE CONTAINING SAID GIMBALING AXIS.
Claim 2
Dependent Claim
146 words
A GYROSCOPE COMPRISING A HOUSING HAVING A SPHERICAL INNER SURFACE, GIMBAL MEANS INCLUDING A HOLLOW SPHERE WITH THE OUTER SURFACE CORRESPONDING WITH SAID INNER SURFACE OF SAID HOUSING AND SPACED APART THEREFROM, MEANS SUPPORTING SAID GIMBAL MEANS FOR ROTATION ABOUT A GIMBALING AXIS WITHIN SAID HOUSING, A MOTOR STATOR COMPRISING A FIRST ANNULUS BEING AN EQUATORIAL SECTION OF SAID GIMBAL MEANS, A GYROWHEEL DISPOSED CENTRALLY WITHIN SAID GIMBAL MEANS, A MOTOR ROTOR COMPRISING A SECOND ANNULUS CONCENTRIC WITH SAID FIRST ANNULUS CARRIED BY SAID GYROWHEEL, SAID ROTOR BEING ADAPTED TO BE DRIVEN BY MAGNETIC FIELDS PRODUCED BY SAID STATOR WHEN SAID STATOR IS ENERGIZED, FLOATATION FLUID FILLING THE SPACE BETWEEN SAID HOUSING AND SAID GIMBAL MEANS AND SUPPORTING SAID GIMBAL MEANS FROM SAID HOUSING, ALL PARTS OF SAID GIMBAL MEANS, STATOR GYROWHEEL, AND ROTOR BEING SYMMETRICALLY DISPOSED RELATIVE TO ONE CRITICAL PLANE CONTAINING SAID GIMBALING AXIS.
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |