Patent US2488853A successfully refreshed from Google Patents.
US2488853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocking journal connection
Assignee: American Steel Foundries
•
Filing: 1944-06-30
•
Granted: 1949-11-22
•
Expires: 1964-06-30
Abstract
No abstract record available.
Inventors
- 👤 Robert B Cottrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:36
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1097970A
Cited
US1107890A
Cited
US1406099A
Cited
US1779526A
Cited
US1745320A
Cited
US1742860A
Cited
US1845647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-21 | 1953-05-23 | 1953-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-21 | 1957-05-23 | 1957-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-21 | 1961-05-23 | 1961-11-22 | $7700.00 | Window Closed / Lapsed |