Patent US2739961A successfully refreshed from Google Patents.
Patent US2447852A successfully refreshed from Google Patents.
US2447852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing structure
Assignee: Joy Manufacturing Co
•
Filing: 1943-01-27
•
Granted: 1948-08-24
•
Expires: 1963-01-27
Abstract
No abstract record available.
Inventors
- 👤 Elmer G Gartin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:03
CPC Classifications
F; F16; F16C; F16C25/00; F16C25/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US537649A
Cited
US608398A
Cited
US1057270A
Cited
US1130982A
Cited
GB191421340A
Cited
US1148741A
Cited
US1266724A
Cited
US1313256A
Cited
US1375236A
Cited
US1690425A
Cited
US1586959A
Cited
US1800293A
Cited
US1971547A
Cited
US1859748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-24 | 1952-02-23 | 1952-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-24 | 1956-02-23 | 1956-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-24 | 1960-02-23 | 1960-08-24 | $7700.00 | Window Closed / Lapsed |