Patent US1870400A successfully refreshed from Google Patents.
Patent US1435860A successfully refreshed from Google Patents.
US1435860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doley for separating fordson tractors
Assignee: Individual
•
Filing: 1920-10-15
•
Granted: 1922-11-14
•
Expires: 1940-10-15
Abstract
No abstract record available.
Inventors
- 👤 Charles E Koster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:06
CPC Classifications
B; B25; B25H; B25H1/00; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53678; Y10T29/53683
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) | 1925-11-13 | 1926-05-15 | 1926-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-11-13 | 1930-05-15 | 1930-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-11-13 | 1934-05-15 | 1934-11-14 | $7700.00 | Window Closed / Lapsed |