Patent US3075887A successfully refreshed from Google Patents.
US3075887A
Expired / Lapsed
US
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Drying of bacterial cultures
Assignee: JBS USA LLC
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Filing: 1960-10-03
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Granted: 1963-01-29
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Expires: 1980-10-03
Abstract
No abstract record available.
Inventors
- 👤 John H Silliker
- 👤 Carl H Koonz
- 👤 Clarence E Jansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:35
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/04; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/853
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A METHOD FOR PRODUCING A DRIED VIABLE BACTERIA CULTURE WHICH COMPRISES: ADDING AN EXPANDABLE PROTEINACEOUS MATERIAL TO AN AQUEOUS MEDIUM CONTAINING A SUSPENSION OF BACTERIA; EXPANDING THE PROTEIN CONTAINING BACTERIA MEDIUM BY INCORPORATING A GAS THEREIN TO FORM A STABLE FOAM; AND GAS DRYING SAID FOAM WITH A DRIED CURRENT OF GAS AT TEMPERATURES BELOW WHICH INACTIVATION OF SAID BACTERIA TAKES PLACE.
Claim 2
Independent Claim
62 words
A METHOD FOR PRODUCING A DRIED VIABLE BACTERIA CULTURE WHICH COMPRISES: ADDING AN EXPANDABLE PROTEINACEOUS MATERIAL TO AN AQUEOUS MEDIUM CONTAINING A SUSPENSION OF BACTERIA; EXPANDING THE PROTEIN CONTAINING BACTERIA MEDIUM BY INCORPORATING A GAS THEREIN TO FORM A STABLE FOAM; AND GAS DRYING SAID FOAM WITH A DRIED CURRENT OF GAS AT TEMPERATURES BELOW WHICH INACTIVATION OF SAID BACTERIA TAKES PLACE.
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |