Patent US3326536A successfully refreshed from Google Patents.
US3326536A
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Mixing apparatus
Assignee: Dow Chemical Co
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Filing: 1966-02-28
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Granted: 1967-06-20
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Expires: 1986-02-28
Abstract
No abstract record available.
Inventors
- 👤 Warren M Zingg
- 👤 Cleve W Stoskopf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:52
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/70; B01F25/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
APPARATUS FOR MIXING LIQUID AND PARTICULATE SOLIDS COMPARISING AN ENCLOSED HOUSING HAVING A GENERALLY CIRCULAR PERIPHERAL WALL, A TOP, A BOTTOM, AT LEAST ONE LIQUID INLET MEANS, MIXTURE OUTLET MEANS, SAID MIXTURE OUTLET MEANS BEING COUPLED TO SAID PERIPHERAL WALL, A PARTICULATE SOLIDS INLET BORE, SAID INLET BORE BEING CENTRALLY DISPOSED IN SAID TOP, A ROTATABLE MIXING IMPELLER, SAID MIXING IMPELLER BEING DISPOSED WITHIN SAID HOUSING AND SPACED FROM SAID PERIPHERAL WALL, THE AXIS OF ROTATION OF THE MIXING
Claim 2
Dependent Claim
79 words
APPARATUS FOR MIXING LIQUID AND PARTICULATE SOLIDS COMPARISING AN ENCLOSED HOUSING HAVING A GENERALLY CIRCULAR PERIPHERAL WALL, A TOP, A BOTTOM, AT LEAST ONE LIQUID INLET MEANS, MIXTURE OUTLET MEANS, SAID MIXTURE OUTLET MEANS BEING COUPLED TO SAID PERIPHERAL WALL, A PARTICULATE SOLIDS INLET BORE, SAID INLET BORE BEING CENTRALLY DISPOSED IN SAID TOP, A ROTATABLE MIXING IMPELLER, SAID MIXING IMPELLER BEING DISPOSED WITHIN SAID HOUSING AND SPACED FROM SAID PERIPHERAL WALL, THE AXIS OF ROTATION OF THE MIXING
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |