US2858455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric circuit comprising of a transformer and a series condenser in one of the windings
Assignee: Alcatel Lucent SAS
•
Filing: 1954-02-17
•
Granted: 1958-10-28
•
Expires: 1974-02-17
Abstract
No abstract record available.
Inventors
- 👤 Trabut Jean Auguste
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:51
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/34; G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/24; G05F3/00; G05F3/02; G05F3/04; G05F3/06; H; H02; H02H; H02H9/00; H02H9/005; H02H9/007; H02H9/02; H02H9/021
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1985634A
Cited
US2221456A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |