Patent US1893995A successfully refreshed from Google Patents.
US1893995A
Expired / Lapsed
US
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Bearing for accurately running shafts using ball bearings
Assignee: Individual
•
Filing: 1930-05-20
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Granted: 1933-01-10
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Expires: 1950-05-20
Abstract
No abstract record available.
Inventors
- 👤 Jung Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:59
CPC Classifications
F; F16; F16C; F16C37/00; F16C37/007; F16C19/00; F16C19/54; F16C19/541; F16C25/00; F16C25/06; F16C25/08; F16C33/00; F16C33/30; F16C33/66; F16C33/6603; F16C33/6622; F16C33/6637; F16C33/6659; F16C33/6662; F16C2322/00; F16C2322/39
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) | 1936-01-10 | 1936-07-11 | 1937-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-01-10 | 1940-07-11 | 1941-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-01-10 | 1944-07-11 | 1945-01-10 | $7700.00 | Window Closed / Lapsed |