US2429157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crusher roll including removable wear segments and interlocked teeth
Assignee: Jeffrey Manufacturing Co
•
Filing: 1943-08-07
•
Granted: 1947-10-14
•
Expires: 1963-08-07
Abstract
No abstract record available.
Inventors
- 👤 John T Fowler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:31
CPC Classifications
B; B02; B02C; B02C4/00; B02C4/28; B02C4/30; B02C4/305; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1934
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US194776A
Cited
US216807A
Cited
US239349A
Cited
US396785A
Cited
US449438A
Cited
US1052037A
Cited
US1491418A
Cited
US1630021A
Cited
US1944928A
Cited
US1864973A
Cited
US2212616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-13 | 1951-04-14 | 1951-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-13 | 1955-04-14 | 1955-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-13 | 1959-04-14 | 1959-10-14 | $7700.00 | Window Closed / Lapsed |