Patent US2551069A successfully refreshed from Google Patents.
US2551069A
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US
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Spin axis control means for gyroscopic instruments
Assignee: Honeywell Inc
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Filing: 1946-12-07
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Granted: 1951-05-01
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Expires: 1966-12-07
Abstract
No abstract record available.
Inventors
- 👤 Fred P Strother
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:30
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/30; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1232; Y10T74/1254
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US662480A
Cited
US1556620A
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US2140191A
Cited
US2270876A
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US2417573A
Cited
GB600938A
Cited
US2441307A
Cited
GB597282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |