US2729774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Di-function non-linear servo system
Assignee: Digital Control Systems Inc
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Filing: 1953-02-13
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Granted: 1956-01-03
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Expires: 1973-02-13
Abstract
No abstract record available.
Inventors
- 👤 Floyd G Steele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:29
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/60; G05; G05D; G05D3/00; G05D3/12; G05D3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2506798A
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US2445289A
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US2630552A
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US2630481A
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US2537427A
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US2631239A
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US2643355A
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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) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |