US2663193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ratchet operating mechanism
Assignee: General Electric Co
•
Filing: 1950-10-27
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Granted: 1953-12-22
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Expires: 1970-10-27
Abstract
No abstract record available.
Inventors
- 👤 John B Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:51
CPC Classifications
F; F16; F16H; F16H31/00; F16H31/003; F16H31/005; G; G04; G04B; G04B11/00; G04B11/02; G04B11/04; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1529; Y10T74/1558; Y10T74/1565; Y10T74/1566; Y10T74/1568; Y10T74/1569; Y10T74/1571; Y10T74/21; Y10T74/2133
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) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |