US2991357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amplitude modulated radio frequency transmitter
Assignee: General Electric Co
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Filing: 1959-08-31
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Granted: 1961-07-04
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Expires: 1979-08-31
Abstract
No abstract record available.
Inventors
- 👤 Thomas T True
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:51
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/36; G; G08; G08C; G08C19/00; G08C19/12
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) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |