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Patent US3023617A successfully refreshed from Google Patents.
US3023617A
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Navigation apparatus
Assignee: Ambac International Corp
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Filing: 1953-06-01
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Granted: 1962-03-06
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Expires: 1973-06-01
Abstract
No abstract record available.
Inventors
- 👤 Statsinger Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:54
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/10; G01C21/12; G01C21/16; G01C21/183; G01C21/166; G05; G05D; G05D1/00; G05D1/02; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734278A
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US2109283A
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US2208207A
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US2371626A
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US2631455A
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US2591697A
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US2613071A
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US2638288A
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US2752792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |