Patent US3363181A successfully refreshed from Google Patents.
US3363181A
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Modulated carrier wave trans-mitting installations including stand-by apparatus
Assignee: BAE Systems Electronics Ltd
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Filing: 1964-08-14
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Granted: 1968-01-09
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Expires: 1984-08-14
Abstract
No abstract record available.
Inventors
- 👤 Haywood Hubert
- 👤 Sosin Boleslaw Marian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:13
CPC Classifications
H; H04; H04J; H04J1/00; H04J1/02; H04J1/16; H03; H03F; H03F1/00; H03F1/52; H03F1/54; H03F1/542
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) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |