Patent US2756818A successfully refreshed from Google Patents.
US2756818A
Expired / Lapsed
US
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Sequence controller
Assignee: Individual
•
Filing: 1952-03-06
•
Granted: 1956-07-31
•
Expires: 1972-03-06
Abstract
No abstract record available.
Inventors
- 👤 Anthony F Borowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:25
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10; H01H43/12; H01H43/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1836797A
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US1907279A
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US1914215A
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US2024019A
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US2137507A
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US2338305A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |