Patent US2933803A successfully refreshed from Google Patents.
US2933803A
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US
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Method of producing cages for roller bearings and more particularly for needle roller bearings
Assignee: IHO Holding GmbH and Co KG
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Filing: 1957-04-19
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Granted: 1960-04-26
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Expires: 1977-04-19
Abstract
No abstract record available.
Inventors
- 👤 Schaeffler Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:52
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/46; F16C33/54; F16C33/542; F16C33/543; B; B21; B21D; B21D53/00; B21D53/10; B21D53/12; B21K; B21K1/00; B21K1/05; F16C33/467; F16C19/00; F16C19/22; F16C19/44; F16C19/46; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49691
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |