US3267228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rate of angular acceleration device
Assignee: General Electric Canada Co
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Filing: 1964-09-18
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Granted: 1966-08-16
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Expires: 1984-09-18
Abstract
No abstract record available.
Inventors
- 👤 Eastcott Peter De Hertel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:30
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/135; G01P15/0888; H; H01; H01H; H01H35/00; H01H35/06; H01H35/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A RATE OF ANGULAR ACCELERATION DEVICE COMPRISING A SHAFT SUPPORTED FOR ROTATION ABOUT ITS AXIS; A FLYWHEEL SUPPORTED ON SAID SHAFT BY LOW FRICTION BEARINGS FOR ROTATION ABOUT SAID AXIS INDEPENDENTLY OF SAID SHAFT, A DISCSHAPED MEMBER OF INSULATING MATERIAL SECURED TO SAID SHAFT ADJACENT SAID FLYWHEEL FOR ROTATION WITH SAID SHAFT; SAID MEMBER HAVING ITS CENTRAL AXIS SUBSTANTIALLY COINCIDENT WITH THE AXIS OF THE SHAFT AND HAVING ONE FACE SPACED A RELATIVELY SHORT DISTANCE FROM ONE END OF SAID FLYWHEEL; A PIN SECURED TO AND INSULATED FROM SAID FLYWHEEL; AN APERTURE THROUGH SAID MEMBER TRANSVERSELY THEREOF; AN ELECTRICAL CONTACT DISPOSED IN SAID APERTURE AT THE WALL THEREOF AND SECURED TO SAID MEMBER, SAID PIN PROJECTING AXIALLY FROM SAID ONE END OF THE FLYWHEEL THROUGH SAID APERTURE AND TERMINATING BEYOND THE OTHER
Claim 2
Dependent Claim
132 words
A RATE OF ANGULAR ACCELERATION DEVICE COMPRISING A SHAFT SUPPORTED FOR ROTATION ABOUT ITS AXIS; A FLYWHEEL SUPPORTED ON SAID SHAFT BY LOW FRICTION BEARINGS FOR ROTATION ABOUT SAID AXIS INDEPENDENTLY OF SAID SHAFT, A DISCSHAPED MEMBER OF INSULATING MATERIAL SECURED TO SAID SHAFT ADJACENT SAID FLYWHEEL FOR ROTATION WITH SAID SHAFT; SAID MEMBER HAVING ITS CENTRAL AXIS SUBSTANTIALLY COINCIDENT WITH THE AXIS OF THE SHAFT AND HAVING ONE FACE SPACED A RELATIVELY SHORT DISTANCE FROM ONE END OF SAID FLYWHEEL; A PIN SECURED TO AND INSULATED FROM SAID FLYWHEEL; AN APERTURE THROUGH SAID MEMBER TRANSVERSELY THEREOF; AN ELECTRICAL CONTACT DISPOSED IN SAID APERTURE AT THE WALL THEREOF AND SECURED TO SAID MEMBER, SAID PIN PROJECTING AXIALLY FROM SAID ONE END OF THE FLYWHEEL THROUGH SAID APERTURE AND TERMINATING BEYOND THE OTHER
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |