US2159554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Road material spreading machine
Assignee: BUCKEYE TRACTION DITCHER CO
•
Filing: 1937-04-16
•
Granted: 1939-05-23
•
Expires: 1957-04-16
Abstract
No abstract record available.
Inventors
- 👤 Charles L George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:39
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/20; E01C19/201; E01C19/202
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) | 1942-05-22 | 1942-11-21 | 1943-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-22 | 1946-11-21 | 1947-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-22 | 1950-11-21 | 1951-05-23 | $7700.00 | Window Closed / Lapsed |