Patent US1911544A successfully refreshed from Google Patents.
US1911544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifriction bearing
Assignee: —
•
Filing: —
•
Granted: 1933-05-30
•
Expires: 1950-05-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:56
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/46; F16C33/4611; F16C33/4617; F16C33/4664; F16C19/00; F16C19/22; F16C19/24; F16C19/26; F16C19/34; F16C19/36; F16C19/364; F16C2300/00; F16C2300/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1936-05-29 | 1936-11-28 | 1937-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-29 | 1940-11-28 | 1941-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-29 | 1944-11-28 | 1945-05-30 | $7700.00 | Window Closed / Lapsed |