Patent DE819331C successfully refreshed from Google Patents.
US2990218A
Expired / Lapsed
US
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Two part bearing assemblies
Assignee: FUERSTLICH HOHENZOLLERNSCHE HUETTENVERWALTUNG
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Filing: 1958-02-19
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Granted: 1961-06-27
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Expires: 1978-02-19
Abstract
No abstract record available.
Inventors
- 👤 Schlechtendahl Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:16
CPC Classifications
F; F16; F16C; F16C9/00; F16C9/04; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1539826A
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US1957654A
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US1831430A
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US2473096A
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US2445396A
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US2574318A
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US2703263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |