US2419274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counterweighted crankshaft
Assignee: Motors Liquidation Co
•
Filing: 1944-04-08
•
Granted: 1947-04-22
•
Expires: 1964-04-08
Abstract
No abstract record available.
Inventors
- 👤 Charles J Mcdowall
- 👤 Gerdan Dimitrius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:35
CPC Classifications
F; F16; F16C; F16C3/00; F16C3/04; F16C3/20; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2173; Y10T74/2183
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1315059A
Cited
US1661341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-21 | 1950-10-21 | 1951-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-21 | 1954-10-21 | 1955-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-21 | 1958-10-21 | 1959-04-22 | $7700.00 | Window Closed / Lapsed |