US2442743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination endgate and feeding and spreading device for use on dump trucks
Assignee: AG KIRBY
•
Filing: 1944-03-22
•
Granted: 1948-06-01
•
Expires: 1964-03-22
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Wester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:14
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/20; E01C19/201; E01C19/202; E01C19/203; B; B60; B60P; B60P1/00; B60P1/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US361543A
Cited
US1182747A
Cited
US1285183A
Cited
US1405001A
Cited
US1798189A
Cited
US1928030A
Cited
US2180044A
Cited
US2297089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-01 | 1951-12-01 | 1952-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-01 | 1955-12-01 | 1956-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-01 | 1959-12-01 | 1960-06-01 | $7700.00 | Window Closed / Lapsed |