US2432089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable capacity pick-off for compass systems
Assignee: Sperry Gyroscope Co Inc
•
Filing: 1944-01-22
•
Granted: 1947-12-09
•
Expires: 1964-01-22
Abstract
No abstract record available.
Inventors
- 👤 Leslie F Carter
- 👤 Jr Francis West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:56
CPC Classifications
G; G01; G01C; G01C17/00; G01C17/02; G01C17/04; G01C17/20; G01C17/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2052316A
Cited
US2193500A
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US2244023A
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US2164165A
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US2277027A
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US2309455A
Cited
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 |