US2515058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for reducing the distortion in the transmission of signals
Assignee: Individual
•
Filing: 1946-10-03
•
Granted: 1950-07-11
•
Expires: 1966-10-03
Abstract
No abstract record available.
Inventors
- 👤 Roquet Raymond Jacques Charles
- 👤 Bayard Honore Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:45
CPC Classifications
H; H04; H04L; H04L25/00; H04L25/02; H04L25/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1717116A
Cited
US1843226A
Cited
US1961334A
Cited
US1901318A
Cited
US1967183A
Cited
US2216820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |