US1446487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller-bearing cage and method qe making same
Assignee: —
•
Filing: —
•
Granted: 1923-02-27
•
Expires: 1940-02-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:09
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/05; F; F16; F16C; F16C19/00; F16C19/22; F16C19/34; F16C33/00; F16C33/30; F16C33/46; F16C33/54; F16C33/542; F16C33/543; F16C33/545; F16C2226/00; F16C2226/30; F16C2226/36; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49691; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12271; Y10T428/12285; Y10T428/12292; Y10T428/12361
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) | 1926-02-26 | 1926-08-28 | 1927-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-02-26 | 1930-08-28 | 1931-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-02-26 | 1934-08-28 | 1935-02-27 | $7700.00 | Window Closed / Lapsed |