US2573048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Starch manufacturing process
Assignee: Rietz Manufacturing Co
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Filing: 1950-05-26
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Granted: 1951-10-30
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Expires: 1970-05-26
Abstract
No abstract record available.
Inventors
- 👤 William B Newkirk
- 👤 Edgar H Williams
- 👤 Carl A Rietz
- 👤 Archibald B Dunwody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:30
CPC Classifications
C; C08; C08B; C08B30/00; C08B30/04; C08B30/042; B; B02; B02C; B02C13/00; B02C13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A WET STARCH MANUFACTURING PROCESS WHEREIN A STARCH-BEARING GRAIN IS STEEPED AND CRACKED AND THE GERMS REMOVED FROM THE CRACKED MATERIAL TO FORM A MATERIAL CONTAINING STARCH GRITS AND FIBER, THE STEPS OF SUBJECTING SAID LAST NAMED MATERIAL TO A DISINTEGRATING OPERATION IN WHICH STARCH GRITS ARE DISINTEGRATED TO FINELY DIVIDED STARCH PARTICLES AND FIBER IS RELEASED WITH RESPECT TO STARCH PARTICLES, THE ZONE OF DISINTEGRATION BEING SURROUNDED BY A SCREENING AREA, ESTABLISHING TWO DISCHARGES FROM THE ZONE OF DISINTEGRATION, ONE DISCHARGE COMPRISING RELATIVELY COARSE FIBER WHICH IS RELATIVELY FREE OF STARCH, AND THE SECOND COMPRISING FINELY DIVIDED STARCH PARTICLES TOGETHER WITH FINE FIBROUS MATERIAL, AND CONTINUOUSLY SUPPLYING SUPPLEMENTAL WATER TO THE ZONE OF DISINTEGRATION TO EFFECT CONTINUAL HYDRATION OF MATERIAL UNDERGOING DISINTEGRATION.
Claim 2
Dependent Claim
124 words
IN A WET STARCH MANUFACTURING PROCESS WHEREIN A STARCH-BEARING GRAIN IS STEEPED AND CRACKED AND THE GERMS REMOVED FROM THE CRACKED MATERIAL TO FORM A MATERIAL CONTAINING STARCH GRITS AND FIBER, THE STEPS OF SUBJECTING SAID LAST NAMED MATERIAL TO A DISINTEGRATING OPERATION IN WHICH STARCH GRITS ARE DISINTEGRATED TO FINELY DIVIDED STARCH PARTICLES AND FIBER IS RELEASED WITH RESPECT TO STARCH PARTICLES, THE ZONE OF DISINTEGRATION BEING SURROUNDED BY A SCREENING AREA, ESTABLISHING TWO DISCHARGES FROM THE ZONE OF DISINTEGRATION, ONE DISCHARGE COMPRISING RELATIVELY COARSE FIBER WHICH IS RELATIVELY FREE OF STARCH, AND THE SECOND COMPRISING FINELY DIVIDED STARCH PARTICLES TOGETHER WITH FINE FIBROUS MATERIAL, AND CONTINUOUSLY SUPPLYING SUPPLEMENTAL WATER TO THE ZONE OF DISINTEGRATION TO EFFECT CONTINUAL HYDRATION OF MATERIAL UNDERGOING DISINTEGRATION.
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) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |