Patent FR1501093A successfully refreshed from Google Patents.
US3672737A
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Ball bearing
Assignee: INA Waelzlager Schaeffler OHG
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Filing: 1970-09-29
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Granted: 1972-06-27
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Expires: 1990-09-29
Abstract
Abstract A PROCESS FOR THE MANUFACTURE OF RACE RINGS FOR INCLINED BALL BEARINGS AND A PROCESS FOR THE MANUFACTURE OF BALL BEARINGS USING SUCH RACE RINGS.
Inventors
- 👤 Werner Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:10
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/02; F16C19/14; F16C19/18; F16C19/181; F16C19/183; F16C19/16; F16C19/163; F16C33/00; F16C33/30; F16C33/58; F16C33/60; F16C33/64
Claims Analysis
Total Claims: 0
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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) | 1975-06-27 | 1975-12-27 | 1976-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-27 | 1979-12-27 | 1980-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-27 | 1983-12-27 | 1984-06-27 | $7700.00 | Window Closed / Lapsed |