US2450277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forage cutting apparatus, including a rotor having pocketed blades
Assignee: Allis Chalmers Corp
•
Filing: 1945-10-01
•
Granted: 1948-09-28
•
Expires: 1965-10-01
Abstract
No abstract record available.
Inventors
- 👤 Conrad E Frudden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:03
CPC Classifications
A; A01; A01F; A01F29/00; A01F29/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US216486A
Cited
US577069A
Cited
US821447A
Cited
US1221364A
Cited
FR672100A
Cited
US1851887A
Cited
US2242557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-28 | 1952-03-29 | 1952-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-28 | 1956-03-29 | 1956-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-28 | 1960-03-29 | 1960-09-28 | $7700.00 | Window Closed / Lapsed |