US3264590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current limiting reactor
Assignee: Trench Electric Ltd
•
Filing: 1963-05-24
•
Granted: 1966-08-02
•
Expires: 1983-05-24
Abstract
No abstract record available.
Inventors
- 👤 Trench Anthony Barclay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:16
CPC Classifications
H; H01; H01F; H01F37/00; H01F37/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
AN AIR CORE STORAGE COMPRISING A PLURALITY OF SEPARATE, INDUCTIVELY COUPLED COILS, CONCENTRICALLY DISPOSED ABOUT A COMMON AXIS, AND SELECTED COILS BEING RADIALLY SPACED FROM EACH OTHER BY A PREDETERMINED DISTANCE, SAID COILS EACH HAVING ONLY ONE TURN OF CONDUCTOR PER AXIAL PITCH SO THAT EACH COIL HAS ONLY ONE LAYER OF WINDING, SAID WINDING BEING UNTRASPOSED BY ANOTHER COIL EACH COIL WINDING BEING OF A PREDETERMINED LENGTH WITH THE RESPECTIVE COILS TERMINATING AT PERIPHERALLY SPACED POINTS ABOUT SAID COMMON AXIS, AND MEANS FOR ELECTRICALLY CONNECTING ALL OF SAID COILS IN PARALLEL AND MEANS MARKING ELECTRICAL CONTACT WITH SAID COILS AT SAID PERIPHERALLY SPACED POINTS.
Claim 2
Dependent Claim
105 words
AN AIR CORE STORAGE COMPRISING A PLURALITY OF SEPARATE, INDUCTIVELY COUPLED COILS, CONCENTRICALLY DISPOSED ABOUT A COMMON AXIS, AND SELECTED COILS BEING RADIALLY SPACED FROM EACH OTHER BY A PREDETERMINED DISTANCE, SAID COILS EACH HAVING ONLY ONE TURN OF CONDUCTOR PER AXIAL PITCH SO THAT EACH COIL HAS ONLY ONE LAYER OF WINDING, SAID WINDING BEING UNTRASPOSED BY ANOTHER COIL EACH COIL WINDING BEING OF A PREDETERMINED LENGTH WITH THE RESPECTIVE COILS TERMINATING AT PERIPHERALLY SPACED POINTS ABOUT SAID COMMON AXIS, AND MEANS FOR ELECTRICALLY CONNECTING ALL OF SAID COILS IN PARALLEL AND MEANS MARKING ELECTRICAL CONTACT WITH SAID COILS AT SAID PERIPHERALLY SPACED POINTS.
References Cited (Backward Citations)
US1157066A
Cited
US1304257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |