Patent US2728233A successfully refreshed from Google Patents.
US2728233A
Expired / Lapsed
US
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Gyroscope
Assignee: General Electric Co
•
Filing: 1948-11-20
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Granted: 1955-12-27
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Expires: 1968-11-20
Abstract
No abstract record available.
Inventors
- 👤 Francis R Fowler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:52
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/44; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1232
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2419063A
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US2293039A
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US2409659A
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US2519459A
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US2504604A
Cited
GB615734A
Cited
US2417066A
Cited
US2501885A
Cited
US2630017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |