Patent US2580940A successfully refreshed from Google Patents.
US2580940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Length sorting device
Assignee: Molins Machine Co Ltd
•
Filing: 1949-11-21
•
Granted: 1952-01-01
•
Expires: 1969-11-21
Abstract
No abstract record available.
Inventors
- 👤 Molins Desmond Walter
- 👤 Ruau Felix Frederic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:13
CPC Classifications
A; A24; A24C; A24C5/00; A24C5/32; A24C5/34; A24C5/345
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1885892A
Cited
US1977239A
Cited
GB473786A
Cited
US2252937A
Cited
US2246107A
Cited
US2376556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |