Patent US4543365A successfully refreshed from Google Patents.
US3501212A
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US
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Axial or thrust roller bearing having spacing member between each two rollers
Assignee: Eisenwerk Rothe Erde GmbH
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Filing: 1968-04-22
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Granted: 1970-03-17
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Expires: 1988-04-22
Abstract
No abstract record available.
Inventors
- 👤 Alois Stenert
- 👤 Josef Barcht
- 👤 Werner Husten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:51
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/37; F16C33/3706; F16C19/00; F16C19/22; F16C19/30; F16C19/40; F16C33/46; F16C33/51; F16C2300/00; F16C2300/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US631393A
Cited
US2665958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |