US3254877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disc disperser-mixer
Assignee: Union Carbide Corp
•
Filing: 1963-11-26
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Granted: 1966-06-07
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Expires: 1983-11-26
Abstract
No abstract record available.
Inventors
- 👤 William J Goodwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:47
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/80; B01F27/93
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A MIXING AND DISPERSING APPARATUS COMPRISING A HOUSING HAVING A BOTTOM RESERVOIR THEREIN, A DRIVE SHAFT CONNECTED TO ROTATING MEANS THEREFOR AND LONGITUDINALLY DISPOSED WITHIN THE HOUSING, AN IMPERFORATE DISPERSING DISC MOUNTED AT THE CENTRAL AXIS THEREOF ON SAID SHAFT, A MIXING DISC MOUNTED AT THE CENTRAL AXIS THEREOF ON SAID SHAFT BELOW SAID DISPERSING DISC AND SITUATED IN SAID BOTTOM RESERVOIR, SAID MIXING DISC BEING SUBSTANTIALLY SMALLER IN SIZE THAN SAID DISPERSING DISC, AT LEAST ONE FEED CHANNEL POSITIONED TO DELIVER INPUT MATERIAL TO SAID DIS-
Claim 2
Dependent Claim
87 words
A MIXING AND DISPERSING APPARATUS COMPRISING A HOUSING HAVING A BOTTOM RESERVOIR THEREIN, A DRIVE SHAFT CONNECTED TO ROTATING MEANS THEREFOR AND LONGITUDINALLY DISPOSED WITHIN THE HOUSING, AN IMPERFORATE DISPERSING DISC MOUNTED AT THE CENTRAL AXIS THEREOF ON SAID SHAFT, A MIXING DISC MOUNTED AT THE CENTRAL AXIS THEREOF ON SAID SHAFT BELOW SAID DISPERSING DISC AND SITUATED IN SAID BOTTOM RESERVOIR, SAID MIXING DISC BEING SUBSTANTIALLY SMALLER IN SIZE THAN SAID DISPERSING DISC, AT LEAST ONE FEED CHANNEL POSITIONED TO DELIVER INPUT MATERIAL TO SAID DIS-
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |