US3360705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dc motor field control circuit
Assignee: General Electric Co
•
Filing: 1965-06-01
•
Granted: 1967-12-26
•
Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Herbert E Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:55
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/282; H02P7/2825
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1971747A
Cited
DE619701C
Cited
US2929009A
Cited
US2777106A
Cited
US3250979A
Cited
US3058044A
Cited
US3242410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |