Patent US2590428A successfully refreshed from Google Patents.
US2590428A
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US
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Orientation system
Assignee: Bendix Aviation Corp
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Filing: 1944-09-21
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Granted: 1952-03-25
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Expires: 1964-09-21
Abstract
No abstract record available.
Inventors
- 👤 Paul A Noxon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:18
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1831597A
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US2274443A
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US1900709A
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US1924037A
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US1966170A
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US1998207A
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US2049375A
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US2132677A
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US2242253A
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US2361790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |