US2748285A
Expired / Lapsed
US
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Assignee: British Telecommunications PLC
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Filing: 1950-03-27
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Granted: 1956-05-29
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Expires: 1970-03-27
Abstract
No abstract record available.
Inventors
- 👤 Beaufoy Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:09
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/10; G01S13/14; G01S15/00; G01S15/02; G01S15/06; G01S15/08; G01S15/10; G01S15/14; H; H03; H03B; H03B5/00; H03B5/08; H03B5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2268872A
Cited
US2346396A
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US2444084A
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US2456016A
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US2540478A
Cited
US2459822A
Cited
US2554308A
Cited
US2562450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |