US2616808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of expanded rice products
Assignee: Individual
•
Filing: 1950-01-24
•
Granted: 1952-11-04
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Expires: 1970-01-24
Abstract
No abstract record available.
Inventors
- 👤 Robert L Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:02
CPC Classifications
A; A23; A23L; A23L7/00; A23L7/10; A23L7/161; A23L7/174; A23L7/183
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A PROCESS FOR PREPARING READY-TO-EAT RICE PRODUCTS WHICH COMPRISES PROVIDING DISCRETE GRAINS OF PARBOILED RICE, SAID GRAINS BEING IN AN AT LEAST PARTIALLY COOKED STATE HAVING A DENSE, HARD STRUCTURE AND A MOISTURE CONTENT FROM ABOUT 8% TO ABOUT 14%, SUBJECTING SAID GRAINS TO A HEAT TREATMENT AT A TEMPERATURE FROM ABOUT 170* C. TO ABOUT 250* C., WHEREBY THE SAID GRAINS ARE EXPANDED TO FORM POROUS CRISP GRAINS HAVING THE SAME SHAPE AS THE ORIGINAL GRAINS, THE EXPANSION CAUSING THE FORMATION OF A MULTITUDE OF SMALL SPHERICAL VOIDS UNIFORMLY DISPERSED THROUGHOUT THE INTERIOR OF THE KERNELS, SAID POROUS GRAINS HAVING A BULK VOLUME FROM ABOUT 2 TO ABOUT 6 TIMES THAT OF THE STARTING GRAINS.
Claim 2
Dependent Claim
116 words
A PROCESS FOR PREPARING READY-TO-EAT RICE PRODUCTS WHICH COMPRISES PROVIDING DISCRETE GRAINS OF PARBOILED RICE, SAID GRAINS BEING IN AN AT LEAST PARTIALLY COOKED STATE HAVING A DENSE, HARD STRUCTURE AND A MOISTURE CONTENT FROM ABOUT 8% TO ABOUT 14%, SUBJECTING SAID GRAINS TO A HEAT TREATMENT AT A TEMPERATURE FROM ABOUT 170* C. TO ABOUT 250* C., WHEREBY THE SAID GRAINS ARE EXPANDED TO FORM POROUS CRISP GRAINS HAVING THE SAME SHAPE AS THE ORIGINAL GRAINS, THE EXPANSION CAUSING THE FORMATION OF A MULTITUDE OF SMALL SPHERICAL VOIDS UNIFORMLY DISPERSED THROUGHOUT THE INTERIOR OF THE KERNELS, SAID POROUS GRAINS HAVING A BULK VOLUME FROM ABOUT 2 TO ABOUT 6 TIMES THAT OF THE STARTING GRAINS.
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) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |