US2996680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistorized pulse demodulator
Assignee: The General Electric Company PLC
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Filing: 1959-04-28
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Granted: 1961-08-15
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Expires: 1979-04-28
Abstract
No abstract record available.
Inventors
- 👤 Barry John Norman
- 👤 Fisher Sidney Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:36
CPC Classifications
H; H03; H03K; H03K9/00; H03K9/02; H03K3/00; H03K3/02; H03K3/26; H03K3/30; H03K5/00; H03K5/01; H03K5/04; H03K5/07; H04; H04J; H04J3/00; H04J3/02; H04J3/04; H04J3/047; H04Q; H04Q1/00; H04Q1/18; H04Q1/30; H04Q1/32; H04Q11/00; H04Q11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2777057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |