US2883613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic amplifier
Assignee: Bendix Aviation Corp
•
Filing: 1954-09-23
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Granted: 1959-04-21
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Expires: 1974-09-23
Abstract
No abstract record available.
Inventors
- 👤 Edgar W Van Winkle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:34
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/01; G05B11/012; G05B11/016; G05D; G05D3/00; G05D3/12; G05D3/121; G05D3/124; H; H03; H03F; H03F9/00; H03F9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2450084A
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US2477729A
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US2555992A
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US2768345A
Cited
US2775724A
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US2774022A
Cited
US2764719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |