Patent JPS5788936A successfully refreshed from Google Patents.
US2730664A
Expired / Lapsed
US
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Induction signal motor-operated differential transformer
Assignee: Bendix Aviation Corp
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Filing: 1953-03-27
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Granted: 1956-01-10
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Expires: 1973-03-27
Abstract
No abstract record available.
Inventors
- 👤 John C Karlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:15
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/121; G05D3/122; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1261
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB417995A
Cited
US2139558A
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US2448564A
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US2452609A
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US2407657A
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US2419979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |