US2968803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fixed-periodicity monitoring and control system
Assignee: Unisys Corp
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Filing: 1957-01-31
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Granted: 1961-01-17
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Expires: 1977-01-31
Abstract
No abstract record available.
Inventors
- 👤 Peter L Lindley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:11
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/08; H02H7/093; G; G01; G01P; G01P1/00; G01P1/07; G01P1/08; G01P1/10; G01P1/106; G11; G11B; G11B5/00; G11B5/012; G11B5/48; G11B5/58; G11B5/60; G11B5/6005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |