Patent GB536701A successfully refreshed from Google Patents.
US2430547A
Expired / Lapsed
US
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Start-stop electronic regenerative telegraph signal repeater
Assignee: RCA Corp
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Filing: 1943-10-28
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Granted: 1947-11-11
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Expires: 1963-10-28
Abstract
No abstract record available.
Inventors
- 👤 Warren A Anderson
- 👤 Richard E Mathes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:28
CPC Classifications
H; H04; H04L; H04L25/00; H04L25/02; H04L25/20; H04L25/24; H04L25/242; H04L25/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1771445A
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US1771446A
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US2050059A
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US2133456A
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US2098051A
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US2212967A
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US2338395A
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US2342318A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |