US2901898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing and coupling assembly for roll feeders and the like
Assignee: UNITED ELECTRIC COAL Cos
•
Filing: 1957-11-13
•
Granted: 1959-09-01
•
Expires: 1977-11-13
Abstract
No abstract record available.
Inventors
- 👤 John J Huey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:51
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/64; F16D3/68; E; E02; E02F; E02F3/00; E02F3/04; E02F3/18; E02F3/22; E02F3/24; E02F3/248
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1322341A
Cited
US1426009A
Cited
US1868163A
Cited
US2219142A
Cited
GB538096A
Cited
US2318039A
Cited
US2739462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |