US2723530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torus chamber type torque converter fluid control system
Assignee: Individual
•
Filing: 1952-03-19
•
Granted: 1955-11-15
•
Expires: 1972-03-19
Abstract
No abstract record available.
Inventors
- 👤 Charles M O'leary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:26
CPC Classifications
F; F16; F16H; F16H41/00; F16H41/24; F16H41/30; Y; Y10; Y10S; Y10S60/00; Y10S60/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1910697A
Cited
US1934936A
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US1975505A
Cited
US2049673A
Cited
US2388112A
Cited
US2453877A
Cited
US2558976A
Cited
US2643517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |