US2700859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grain cutting and windrowing apparatus for tractors
Assignee: Individual
•
Filing: 1951-11-19
•
Granted: 1955-02-01
•
Expires: 1971-11-19
Abstract
No abstract record available.
Inventors
- 👤 Leonard N Vigum
- 👤 Osterud Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:09
CPC Classifications
A; A01; A01D; A01D57/00; A01D57/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1309689A
Cited
US1911637A
Cited
US2410918A
Cited
US796268A
Cited
US1271845A
Cited
US1938263A
Cited
US1906498A
Cited
US2510245A
Cited
US2487144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |