Patent US2361433A successfully refreshed from Google Patents.
US2361433A
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Magnetic compass
Assignee: Bendix Aviation Corp
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Filing: 1942-10-31
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Granted: 1944-10-31
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Expires: 1962-10-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Alfred A Stuart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:49
CPC Classifications
G; G01; G01C; G01C17/00; G01C17/02; G01C17/28; G01C17/36
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) | 1947-10-31 | 1948-05-01 | 1948-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-10-31 | 1952-05-01 | 1952-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-10-31 | 1956-05-01 | 1956-10-31 | $7700.00 | Window Closed / Lapsed |