US2814013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bidirectional servomotor shaft positioning means
Assignee: Collins Radio Co
•
Filing: 1955-12-28
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Granted: 1957-11-19
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Expires: 1975-12-28
Abstract
No abstract record available.
Inventors
- 👤 Horst M Schweighofer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:09
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/125; G05D3/127; G05B; G05B2219/00; G05B2219/30; G05B2219/42; G05B2219/42212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2676289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |