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Patent US3056290A successfully refreshed from Google Patents.
US3056290A
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Multi-vehicular azimuth alignment computer
Assignee: Kearfott Co Inc
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Filing: 1959-12-31
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Granted: 1962-10-02
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Expires: 1979-12-31
Abstract
No abstract record available.
Inventors
- 👤 John J Kishel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:43
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/02; G05D1/0202; F; F41; F41G; F41G7/00; F41G7/007; F41G7/34; F41G7/36; G01; G01C; G01C25/00; G01C25/005
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) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |