US2783102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railroad axle journal bearing construction
Assignee: SKF Industries Inc
•
Filing: 1951-04-02
•
Granted: 1957-02-26
•
Expires: 1971-04-02
Abstract
No abstract record available.
Inventors
- 👤 Palmgren Per Gunnar
- 👤 Frederick S Ball
- 👤 Johansson Carl Eric Gote
- 👤 Basil L Haley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:30
CPC Classifications
B; B61; B61F; B61F15/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1071989A
Cited
FR448395A
Cited
US1701010A
Cited
US1924270A
Cited
US1875770A
Cited
US1921882A
Cited
US1952710A
Cited
US1978707A
Cited
US1921883A
Cited
US2074202A
Cited
DE648250C
Cited
US2273510A
Cited
US2438214A
Cited
US2433022A
Cited
US2597516A
Cited
US2565284A
Cited
US2528394A
Cited
US2560183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |