US2813433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission
Assignee: FMC Corp
•
Filing: 1954-05-03
•
Granted: 1957-11-19
•
Expires: 1974-05-03
Abstract
No abstract record available.
Inventors
- 👤 Jr William J Adams
- 👤 Knnte O Engnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:26
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/67; A01D34/68; A01D34/6806; A01B; A01B33/00; A01B33/08; A01B33/082; A01G; A01G3/00; B; B62; B62D; B62D51/00; B62D51/004; A01D2034/6843; A01D2101/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US814060A
Cited
US783037A
Cited
US1236749A
Cited
US2131247A
Cited
US2561545A
Cited
US2591746A
Cited
US2722131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |