Patent US2392370A successfully refreshed from Google Patents.
US2392370A
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US
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Electric discharge means for controlling position
Assignee: Sperry Gyroscope Co Inc
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Filing: 1942-11-10
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Granted: 1946-01-08
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Expires: 1962-11-10
Abstract
No abstract record available.
Inventors
- 👤 Orland E Esval
- 👤 Jr Robert S Curry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:41
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/44; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1232; Y10T74/1243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-01-07 | 1949-07-09 | 1950-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-01-07 | 1953-07-09 | 1954-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-01-07 | 1957-07-09 | 1958-01-08 | $7700.00 | Window Closed / Lapsed |