Patent US3197380A successfully refreshed from Google Patents.
Patent US5956633A successfully refreshed from Google Patents.
Patent US2652782A successfully refreshed from Google Patents.
US2652782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid flywheel construction
Assignee: Motors Liquidation Co
•
Filing: 1949-05-03
•
Granted: 1953-09-22
•
Expires: 1969-05-03
Abstract
No abstract record available.
Inventors
- 👤 Walter B Herndon
- 👤 Ralph F Beck
- 👤 William L Tuschak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:37
CPC Classifications
F; F16; F16D; F16D33/00; F16D33/18; F16D33/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1904054A
Cited
US2031521A
Cited
US2357295A
Cited
US2365354A
Cited
US2326231A
Cited
US2370438A
Cited
US2362341A
Cited
US2382960A
Cited
US2556676A
Cited
US2473185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |