US3210648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulating and current limiting transformer system
Assignee: Westinghouse Electric Corp
•
Filing: 1962-07-09
•
Granted: 1965-10-05
•
Expires: 1982-07-09
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Lockie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:49
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/28; H01F27/2847; H01F2027/2857
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
ELECTRICAL INDUCTIVE APPARATUS COMPRISING AT LEAST TWO WINDINGS HAVING TURNS THEREOF CONTINUOUSLY INTERLEAVED TO PROVIDE A CAPACITANCE BETWEEN THE WINDINGS, A STATIC PROTECTIVE DEVICE CONNECTED ACROSS THE CAPACITANCE, SAID DEVICE BEING NON-CONDUCTIVE DURING A PREDETERMINED
Claim 2
Dependent Claim
35 words
ELECTRICAL INDUCTIVE APPARATUS COMPRISING AT LEAST TWO WINDINGS HAVING TURNS THEREOF CONTINUOUSLY INTERLEAVED TO PROVIDE A CAPACITANCE BETWEEN THE WINDINGS, A STATIC PROTECTIVE DEVICE CONNECTED ACROSS THE CAPACITANCE, SAID DEVICE BEING NON-CONDUCTIVE DURING A PREDETERMINED
References Cited (Backward Citations)
US2521513A
Cited
US2577707A
Cited
US2984780A
Cited
US2863130A
Cited
US3040239A
Cited
US2959726A
Cited
US3078411A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |