US2413963A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultra high frequency control system
Assignee: General Electric Co
•
Filing: 1942-09-17
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Granted: 1947-01-07
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Expires: 1962-09-17
Abstract
No abstract record available.
Inventors
- 👤 Milan D Fiske
- 👤 Chauncey G Suits
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:55
CPC Classifications
H; H01; H01P; H01P5/00; H01P5/04; H01P1/00; H01P1/20; H01P1/207
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-01-06 | 1950-07-08 | 1951-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-01-06 | 1954-07-08 | 1955-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-01-06 | 1958-07-08 | 1959-01-07 | $7700.00 | Window Closed / Lapsed |