US2433378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical oscillation generator
Assignee: STC PLC
•
Filing: 1942-09-11
•
Granted: 1947-12-30
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Expires: 1962-09-11
Abstract
No abstract record available.
Inventors
- 👤 Levy Maurice Moise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:17
CPC Classifications
H; H03; H03K; H03K12/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1926749A
Cited
GB456450A
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US2141937A
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GB485989A
Cited
US2226459A
Cited
US2190504A
Cited
US2401424A
Cited
US2307799A
Cited
US2361172A
Cited
US2408061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |