Patent US2822225A successfully refreshed from Google Patents.
US2822225A
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Ball bearing assembly
Assignee: F I SAEMANN
•
Filing: 1955-05-18
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Granted: 1958-02-04
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Expires: 1975-05-18
Abstract
No abstract record available.
Inventors
- 👤 Teufel Aloisius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:36
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/54; F16C19/55; F16C23/00; F16C23/06; F16C23/08; F16C23/082; F16C23/086; F16C19/02; F16C19/14; F16C19/18; F16C2300/00; F16C2300/20; F16C2300/22; Y; Y10; Y10T; Y10T74/00; Y10T74/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |