US2657675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crankshaft rear bearing seal
Assignee: Continental Motors Corp
•
Filing: 1950-06-24
•
Granted: 1953-11-03
•
Expires: 1970-06-24
Abstract
No abstract record available.
Inventors
- 👤 Mcgowen Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:35
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/74; F02; F02F; F02F11/00; F02F11/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US719547A
Cited
US1179088A
Cited
US1723306A
Cited
US2226596A
Cited
US2303093A
Cited
US2468976A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |