Patent US1572725A successfully refreshed from Google Patents.
US1572725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller bearing
Assignee: Individual
•
Filing: 1922-09-28
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Granted: 1926-02-09
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Expires: 1942-09-28
Abstract
No abstract record available.
Inventors
- 👤 Sr Julius Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:07
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/46; F16C33/48; F16C19/00; F16C19/22; F16C19/34; F16C19/38; F16C33/34; F16C33/49; F16C33/494; F16C33/495; F16C33/54; F16C33/542; F16C33/543
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) | 1929-02-08 | 1929-08-10 | 1930-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-02-08 | 1933-08-10 | 1934-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-02-08 | 1937-08-10 | 1938-02-09 | $7700.00 | Window Closed / Lapsed |