US2653547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrodynamic coupling
Assignee: Borg Warner Corp
•
Filing: 1947-03-01
•
Granted: 1953-09-29
•
Expires: 1967-03-01
Abstract
No abstract record available.
Inventors
- 👤 Eric R Langdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:50
CPC Classifications
F; F16; F16H; F16H41/00; F16H41/24; F16H41/28; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4933; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49922
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US577737A
Cited
US2357628A
Cited
US814804A
Cited
US1286283A
Cited
US1731445A
Cited
US1825622A
Cited
US1838417A
Cited
US2065154A
Cited
US2205054A
Cited
US2302437A
Cited
US2254024A
Cited
US2194539A
Cited
US2297309A
Cited
US2324011A
Cited
US2345371A
Cited
US2332330A
Cited
US3711583A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |