US3565494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylindrical sleeve for bearings
Assignee: INA Waelzlager Schaeffler OHG
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Filing: 1969-01-07
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Granted: 1971-02-23
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Expires: 1989-01-07
Abstract
Abstract A METHOD OF PRODUCING THIN-WALLED CYLINDRICAL SLEEVES ADAPTED FOR USE IN BEARINGS AND PROVIDED WITH PROFILES AND TO THE NOVEL SLEEVES PRODUCED BY THE SAID PROCESS.
Inventors
- 👤 Leo Linz
- 👤 Georg Schaeffler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:45
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/04; F16C29/06; F16C29/068; F16C29/0683; F16C29/0685; F16C29/0688; B; B21; B21K; B21K1/00; B21K1/05; B21K23/00; F16C29/0602; F16C33/00; F16C33/30; F16C33/58; F16C33/64; F16D; F16D41/00; F16D41/06; F16D41/064; F16D41/066; F16D41/067
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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |