Patent US2244765A successfully refreshed from Google Patents.
US2244765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agitator muller
Assignee: Individual
•
Filing: 1939-06-22
•
Granted: 1941-06-10
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Expires: 1959-06-22
Abstract
No abstract record available.
Inventors
- 👤 Alfred C Christensen
- 👤 Castor Barney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:55
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/80; B01F27/95; B01F27/951; B28; B28C; B28C5/00; B28C5/08; B28C5/10; B28C5/12; B28C5/16; B28C5/163; B28C5/165; B28C5/18; B28C5/26; B28C5/32; B28C5/325; B01F27/05; B01F27/09; B01F27/091; B01F27/23; B01F27/232; B01F27/2322; B01F27/2324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-06-09 | 1944-12-09 | 1945-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-06-09 | 1948-12-09 | 1949-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-06-09 | 1952-12-09 | 1953-06-10 | $7700.00 | Window Closed / Lapsed |