Patent US2919194A successfully refreshed from Google Patents.
US2919194A
Expired / Lapsed
US
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Active dry yeast products and processes for producing the same
Assignee: Standard Brands Inc
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Filing: 1957-12-24
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Granted: 1959-12-29
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Expires: 1977-12-24
Abstract
No abstract record available.
Inventors
- 👤 William R Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:52
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/24; C12N9/2402; C12N9/2405; C12N9/2408; C12N9/2411; C12N9/2414; C12N9/2417; A; A21; A21D; A21D8/00; A21D8/02; A21D8/04; A21D8/047; C12N1/00; C12N1/005; C12N1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
IN A PROCESS OF PREPARING ACTIVE DRY YEAST THE STEPS OF SUSPENDING WET YEAST IN A FINELY DIVIDED STATE IN A MEDIUM NOT HARMFUL TO YEAST WHICH IS LIQUID AT THE DRYING TEMPERATURE BOTH KIN THE PRESENCE AND ABSENCE OF WATER AND THEN DRYING THE YEASR BY EVAPORATING WATER FROM THE SUSPENSION WHILE MAINTAINING THE YEAST IN SAUSPENSION IN SAID LIQUID.
Claim 2
Dependent Claim
61 words
IN A PROCESS OF PREPARING ACTIVE DRY YEAST THE STEPS OF SUSPENDING WET YEAST IN A FINELY DIVIDED STATE IN A MEDIUM NOT HARMFUL TO YEAST WHICH IS LIQUID AT THE DRYING TEMPERATURE BOTH KIN THE PRESENCE AND ABSENCE OF WATER AND THEN DRYING THE YEASR BY EVAPORATING WATER FROM THE SUSPENSION WHILE MAINTAINING THE YEAST IN SAUSPENSION IN SAID LIQUID.
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) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |