US3438306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preloaded servo actuator controls for redundant systems
Assignee: Lear Siegler Inc
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Filing: 1967-02-07
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Granted: 1969-04-15
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Expires: 1987-02-07
Abstract
No abstract record available.
Inventors
- 👤 Edward Kazmarek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:16
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/0055; G05D1/0077; F; F15; F15B; F15B18/00
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) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |