Patent US2740299A successfully refreshed from Google Patents.
US2740299A
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US
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Suspension for gyroscopes
Assignee: Ambac International Corp
•
Filing: 1952-05-23
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Granted: 1956-04-03
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Expires: 1972-05-23
Abstract
No abstract record available.
Inventors
- 👤 Wendell D Jewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:04
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/34; G01C19/38; G01C21/00; G01C21/10; G01C21/12; G01C21/16; G01C21/18; Y; Y10; Y10S; Y10S33/00; Y10S33/06; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1232; Y10T74/1254
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2209735A
Cited
US1981687A
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US2311652A
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US2419948A
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US2598672A
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US2517612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |