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Patent US2768826A successfully refreshed from Google Patents.
US2768826A
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Step-by-step linear drive
Assignee: British Telecommunications PLC
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Filing: 1951-11-15
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Granted: 1956-10-30
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Expires: 1971-11-15
Abstract
No abstract record available.
Inventors
- 👤 Harold D Gaite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:05
CPC Classifications
H; H01; H01H; H01H67/00; H01H67/02; H01H67/04; H01H67/12; H04; H04L; H04L13/00; H04L13/02; H04L13/06; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1558; Y10T74/1587; Y10T74/1592; Y10T74/1594
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1327520A
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US1798072A
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US2054837A
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US2141037A
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US2280737A
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US2419759A
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US2601181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |