US2964299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing apparatus
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1959-02-10
•
Granted: 1960-12-13
•
Expires: 1979-02-10
Abstract
No abstract record available.
Inventors
- 👤 Bowers Roy Holt
- 👤 Suckling Robert David
- 👤 Stevens John William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:55
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/245; B01F; B01F33/00; B01F33/40; B01F33/405; B01F33/4051; B01F33/40511
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2292897A
Cited
US2786280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |