Patent US2755628A successfully refreshed from Google Patents.
US2755628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic torque converter
Assignee: Borg Warner Corp
•
Filing: 1951-05-22
•
Granted: 1956-07-24
•
Expires: 1971-05-22
Abstract
No abstract record available.
Inventors
- 👤 Anthony C Mamo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:09
CPC Classifications
F; F16; F16H; F16H41/00; F16H41/24; F16H41/26; F16H61/00; F16H61/38; F16H61/48; F16H61/50; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/1812
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2205794A
Cited
US2173604A
Cited
US2293767A
Cited
US2351516A
Cited
US2440825A
Cited
US2651918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |