US3580728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making expanded snack product
Assignee: General Mills Inc
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Filing: 1967-08-28
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Granted: 1971-05-25
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Expires: 1987-08-28
Abstract
Abstract A NEW FOOD PRODUCT AND PROCESS FOR FORMING IT. A FLOUR IS FORMED BY EXPLOSIVELY PUFFING A CEREAL GRAIN AND MILLING THE PUFFED GRAIN TO FORM A PULVERULENT MATERIAL. A DOUGH, FORMED BY COMBINING THE FLOUR WITH WATER AND ONE OR MORE FLAVORING INGREDIENTS, IS THEN FORMED INTO PIECES WHICH ARE SUBJECTED TO INTENSE HEAT TO PRODUCE THE FINAL PRODUCT.
Inventors
- 👤 Clayton O Gulstad
- 👤 Francis J Eastburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:25
CPC Classifications
A; A23; A23L; A23L7/00; A23L7/10; A23L7/161; A23L7/174; A23L7/178; A23L7/117; A23L7/13; Y; Y10; Y10S; Y10S426/00; Y10S426/808
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |