Patent US2850956A successfully refreshed from Google Patents.
US2850956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cultivator
Assignee: Massey Ferguson Inc
•
Filing: 1955-04-25
•
Granted: 1958-09-09
•
Expires: 1975-04-25
Abstract
No abstract record available.
Inventors
- 👤 Ivor C Rogers
- 👤 Julian J Karasievich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:41
CPC Classifications
A; A01; A01B; A01B61/00; A01B61/04; A01B61/044; A01B61/046
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US197225A
Cited
GB190806356A
Cited
US1068832A
Cited
US1088767A
Cited
US1687422A
Cited
FR731210A
Cited
US2649725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |