Patent US2885191A successfully refreshed from Google Patents.
US2885191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing and unloading device
Assignee: Individual
•
Filing: 1956-12-03
•
Granted: 1959-05-05
•
Expires: 1976-12-03
Abstract
No abstract record available.
Inventors
- 👤 Elmer K Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:16
CPC Classifications
B; B01; B01F; B01F33/00; B01F33/50; B01F33/502; B01F33/5023; B01F35/00; B01F35/50; B01F35/53; B01F35/532; B01F27/00; B01F27/05; B01F27/11; B01F27/114; B01F27/15; Y; Y10; Y10S; Y10S366/00; Y10S366/603
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2101490A
Cited
US2517456A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |