US2433362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pendulum relay controlled startstop telegraph transmitter
Assignee: STC PLC
•
Filing: 1943-03-10
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Granted: 1947-12-30
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Expires: 1963-03-10
Abstract
No abstract record available.
Inventors
- 👤 Hartley George Clifford
- 👤 Reynolds William John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:40
CPC Classifications
F; F28; F28F; F28F25/00; F28F25/02; F28F25/04; H; H04; H04L; H04L17/00; H04L17/16; H04L17/30; H04L25/00; H04L25/02; H04L25/20; H04L25/202; H04L25/205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1305225A
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US1232045A
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US1374152A
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US1196528A
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US1197542A
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US1199011A
Cited
US1730614A
Cited
US2128242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |