US2432327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical speed-responsive system with variable-ratio drive
Assignee: Fairchild Semiconductor Corp
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Filing: 1944-11-17
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Granted: 1947-12-09
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Expires: 1964-11-17
Abstract
No abstract record available.
Inventors
- 👤 Jr David W Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:32
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/02; G01P3/04; G01P3/06; G05; G05G; G05G15/00; G05G15/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1669107A
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CH217363A
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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) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |