US2635860A
Expired / Lapsed
US
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Centrifugal mixing device
Assignee: Premier Mill Corp
•
Filing: 1951-06-11
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Granted: 1953-04-21
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Expires: 1971-06-11
Abstract
No abstract record available.
Inventors
- 👤 Mcleod Ian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:51
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/04; A47J43/07; A47J43/0705; B; B01; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/116
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE483569C
Cited
US1374447A
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US1281351A
Cited
US1526596A
Cited
US1949696A
Cited
GB365420A
Cited
US2254127A
Cited
US2316769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |