US2930892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Demodulator for a phase or frequency modulated signal
Assignee: Unisys Corp
•
Filing: 1954-03-26
•
Granted: 1960-03-29
•
Expires: 1974-03-26
Abstract
No abstract record available.
Inventors
- 👤 Palmer Winslow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:38
CPC Classifications
H; H03; H03D; H03D3/00; H03D3/02; H03D3/06; H03D3/08; H03D3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2066528A
Cited
US2231997A
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US2231704A
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US2464818A
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US2494795A
Cited
US2564205A
Cited
US2617037A
Cited
US2623177A
Cited
US2680830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |