Patent US3398997A successfully refreshed from Google Patents.
US3398997A
Expired / Lapsed
US
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Pivoted shoe bearing
Assignee: Sulzer Escher Wyss AG
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Filing: 1965-08-20
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Granted: 1968-08-27
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Expires: 1985-08-20
Abstract
No abstract record available.
Inventors
- 👤 Wucherer Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:04
CPC Classifications
F; F16; F16C; F16C17/00; F16C17/04; F16C17/06; F16C17/02; F16C17/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1445188A
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US1229291A
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US1437788A
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US1441614A
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US2063570A
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US2557422A
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GB721131A
Cited
US2858173A
Cited
US3093426A
Cited
US3023055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |