US3101853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary valve
Assignee: General Mills Inc
•
Filing: 1961-01-11
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Granted: 1963-08-27
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Expires: 1981-01-11
Abstract
No abstract record available.
Inventors
- 👤 Long George
- 👤 Tsuchiya Takuzo
- 👤 Hum Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:00
CPC Classifications
A; A23; A23P; A23P30/00; A23P30/30; A23P30/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A ROTARY PRESSURE-LOCK VALVE COMPRISING A VALVE HOUSING PROVIDED WITH A VALVE CHAMBER HAVING AN INLET AND AN OUTLET, A VALVE ROTOR PROVIDED WITH A TAPERED VALVE SURFACE MOUNTED FOR ROTATION ABOUT AN AXIS WITHIN SAID CHAMBER, AND HAVING AT LEAST ONE POCKET THEREON FOR RECEIVING MATERIAL FROM SAID INLET DISCHARGING MATERIAL TO SAID OUTLET, A LINER IN SAID CHAMBER INTERMEDIATE SAID ROTOR AND SAID CHAMBER AND HAVING OUTSIDE DIMENSIONS LESS THAN SAID CHAMBER, SAID LINER PROVIDED WITH A CONICAL OPENING THEREIN ENCIRCLING AND CLOSELY FITTING THE
Claim 2
Dependent Claim
87 words
A ROTARY PRESSURE-LOCK VALVE COMPRISING A VALVE HOUSING PROVIDED WITH A VALVE CHAMBER HAVING AN INLET AND AN OUTLET, A VALVE ROTOR PROVIDED WITH A TAPERED VALVE SURFACE MOUNTED FOR ROTATION ABOUT AN AXIS WITHIN SAID CHAMBER, AND HAVING AT LEAST ONE POCKET THEREON FOR RECEIVING MATERIAL FROM SAID INLET DISCHARGING MATERIAL TO SAID OUTLET, A LINER IN SAID CHAMBER INTERMEDIATE SAID ROTOR AND SAID CHAMBER AND HAVING OUTSIDE DIMENSIONS LESS THAN SAID CHAMBER, SAID LINER PROVIDED WITH A CONICAL OPENING THEREIN ENCIRCLING AND CLOSELY FITTING THE
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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |