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US2524512A
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Compass slaving circuit
Assignee: Jack & Heintz Prec Ind Inc
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Filing: 1945-11-23
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Granted: 1950-10-03
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Expires: 1965-11-23
Abstract
No abstract record available.
Inventors
- 👤 Lysle D Cahill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:38
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/02; G05D1/0202; G01; G01C; G01C19/00; G01C19/02; G01C19/40; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1232; Y10T74/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-02 | 1954-04-03 | 1954-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-02 | 1958-04-03 | 1958-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-02 | 1962-04-03 | 1962-10-03 | $7700.00 | Window Closed / Lapsed |