US2956250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Horizontal sweep transformer
Assignee: General Electric Co
•
Filing: 1955-05-31
•
Granted: 1960-10-11
•
Expires: 1975-05-31
Abstract
No abstract record available.
Inventors
- 👤 Douglas H Harse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:16
CPC Classifications
H; H01; H01F; H01F38/00; H01F38/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2288201A
Cited
US2544658A
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US2500766A
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US2494350A
Cited
US2612545A
Cited
US2678413A
Cited
US2702375A
Cited
US2800620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |