US2513291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiplex pulse time demodulator
Assignee: STC PLC
•
Filing: 1945-11-03
•
Granted: 1950-07-04
•
Expires: 1965-11-03
Abstract
No abstract record available.
Inventors
- 👤 Edmond M Deloraine
- 👤 Justin L Fearing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:34
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/02; H04J3/08; H04B; H04B7/00; H04B7/14; H04B7/15; H04B7/155; H04B7/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2199634A
Cited
US2379899A
Cited
US2416306A
Cited
US2391776A
Cited
US2418116A
Cited
US2413023A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |