US2853688A
Expired / Lapsed
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Amplitude modulators for millimeter waves
Assignee: Thales SA
•
Filing: 1954-05-19
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Granted: 1958-09-23
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Expires: 1974-05-19
Abstract
No abstract record available.
Inventors
- 👤 Leboutet Hubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:17
CPC Classifications
H; H03; H03C; H03C7/00; H03C7/02; H01; H01P; H01P1/00; H01P1/22; H01P1/222
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |