Patent US2237107A successfully refreshed from Google Patents.
US3561101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonding bearing alloy having high tin content to steel support and bearing
Assignee: Karl Schmidt GmbH
•
Filing: 1967-01-20
•
Granted: 1971-02-09
•
Expires: 1987-01-20
Abstract
Abstract BEARINGS HAVING A LAMINAR STRUCTURE COMPRISING A STEEL SUPPORT LAYER AND A BEARING ALLOY LAYER ARE PRODUCED. LIGHT METAL HETEROGENEOUS BEARING ALLOYS CONTAINING IN EXCESS OF ABOUT 7% TIN ARE INVESTED IN A LIGHT METAL IMPERVIOUS TO MOLTEN TIN, SUCH AS ALUMINUM. THE INVESTED BEARING ALLOY IS THEN BONDED TO A STEEL SUPPORT BY HEAT AND PRESSURE WITHOUT EMERGENCE OF TIN FROM THE BEARING ALLOY.
Inventors
- 👤 Friedrich-Wilhelm Rabenau
- 👤 Erich Jager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:22
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/22; B23K20/227; B23K20/2275
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |