US3014848A
Expired / Lapsed
US
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Method of performing biological assays
Assignee: Bayer Corp
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Filing: 1958-03-07
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Granted: 1961-12-26
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Expires: 1978-03-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Andres Ferrari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:20
CPC Classifications
G; G01; G01N; G01N35/00; G01N35/08; B; B01; B01D; B01D19/00; B01D61/00; B01D61/24; B01D61/243; C; C12; C12M; C12M29/00; C12M29/04; Y; Y10; Y10S; Y10S435/00; Y10S435/808
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
A METHOD OF PERFORMING BIO-ASSAYS, COMPRISING FORMING A STREAM OF FLUID CONTAINING A MICRO-ORGANISM, INTRODUCING BY DIALYSIS INTO SAID FLUID STREAM, DURING THE FLOW THEREOF, A SECOND STREAM OF FLUID CONTAINING A SUBSTANCE UNDER INVESTIGATION WITH RESPECT TO ITS EFFECT ON SAID MICRO-ORGANISM, INCUBATING THE RESULTING STREAM CONTAINING SAID MICRO-ORGANISM AND SAID SUBSTANCE AND EXAMINING SAID INCUBATED STREAM DURING THE FLOW THEREOF TO DETERMINE THE EFFECT OF SAID SUBSTANCE UNDER INVESTIGATION ON SAID MICRO-ORGANISM CONCURRENTLY WITH THE FLOW OF THE FIRST MENTIONED STREAMS OF FLUID.
References Cited (Backward Citations)
US668330A
Cited
US2797149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |