US2981660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the cultivation of fastidious microorganisms
Assignee: Individual
•
Filing: 1958-03-14
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Granted: 1961-04-25
•
Expires: 1978-03-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Glenwood B Achorn
- 👤 Elmer R Bokesch
- 👤 Edward R Dapper
- 👤 Robert W Lebherz
- 👤 John L Schwab
- 👤 James R E Smith
- 👤 Rawson Arthur
- 👤 Springs Rocky
- 👤 Samuel N Metcalfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:01
CPC Classifications
C; C12; C12M; C12M37/00; C12M37/04; C12M23/00; C12M23/02; C12M29/00; C12M29/04; C12M41/00; C12M41/40; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4259; Y10T137/5762; Y10T137/8593; Y10T137/86348; Y10T137/86372
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
AN APPARATUS FOR THE CULTURE OF PURE PATHOGENIC AND FASTIDIOUS MICROORGANISMS COMPRISING A FERMENTATION TANK WITH A CONICALLY SHAPED BOTTOM, A GAS INLET MEANS CONNECTED TO THE BOTTOM PORTION OF SAID FERMENTATION TANK, A FILTER CONNECTED TO THE OTHER SIDE OF SAID FILTER, AT LEAST MEANS CONNECTED TO THE OTHER SIDE OF SAID FILTER, AT LAST ONE ADAPTER MEANS CONNECTED WITH SAID FERMENTATION TANK FOR PERMITTING THE ADMISSION AND WITHDRAWAL OF MATERIALS FROM SAID TANK, MEANS CONNECTED WITH SAID TANK FOR MAINTAINING A VACUUM IN SAID TANK WHEREBY THE UNDESIRABLE EGRESS OF ITS CONTENTS IS PREVENTED, A VALVE AND FLUID SEALING MEANS INTERGRALLY CONNECTED TO THE BOTTOM OF SAID TANK FOR DUMPING THE CONTENTS OF SAID TANK WHEN DESIRED AND ALSO FOR PREVENTING ANY LEAKAGE, AND STEAM SEAL TANK BEING CONNECTED TO SAID MEANS FOR MAINTAINING A VACUUM AND SAID VALVE AND FLUID SEALING MEANS IN ORDER TO COLLECT THEIR EFFLUENT.
Claim 2
Independent Claim
151 words
AN APPARATUS FOR THE CULTURE OF PURE PATHOGENIC AND FASTIDIOUS MICROORGANISMS COMPRISING A FERMENTATION TANK WITH A CONICALLY SHAPED BOTTOM, A GAS INLET MEANS CONNECTED TO THE BOTTOM PORTION OF SAID FERMENTATION TANK, A FILTER CONNECTED TO THE OTHER SIDE OF SAID FILTER, AT LEAST MEANS CONNECTED TO THE OTHER SIDE OF SAID FILTER, AT LAST ONE ADAPTER MEANS CONNECTED WITH SAID FERMENTATION TANK FOR PERMITTING THE ADMISSION AND WITHDRAWAL OF MATERIALS FROM SAID TANK, MEANS CONNECTED WITH SAID TANK FOR MAINTAINING A VACUUM IN SAID TANK WHEREBY THE UNDESIRABLE EGRESS OF ITS CONTENTS IS PREVENTED, A VALVE AND FLUID SEALING MEANS INTERGRALLY CONNECTED TO THE BOTTOM OF SAID TANK FOR DUMPING THE CONTENTS OF SAID TANK WHEN DESIRED AND ALSO FOR PREVENTING ANY LEAKAGE, AND STEAM SEAL TANK BEING CONNECTED TO SAID MEANS FOR MAINTAINING A VACUUM AND SAID VALVE AND FLUID SEALING MEANS IN ORDER TO COLLECT THEIR EFFLUENT.
References Cited (Backward Citations)
US1205619A
Cited
US2111102A
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US2298561A
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US2545572A
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US2686754A
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US2772867A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |