US3560847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and process for detecting live bacteria
Assignee: General Electric Co
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Filing: 1968-04-19
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Granted: 1971-02-02
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Expires: 1988-04-19
Abstract
Abstract PROCESS AND APPARATUS FOR DETECTING THE PRESENCE OF LIVE BACTERIA IN A FLUID INVOLVES ESTABLISHING, IN A NONMOVING PORTION OF THE FLUID, A CURRENT PATH, AT LEAST A SEGMENT OF WHICH IS RESTRICTED IN CROSS SECTIONAL AREA, INCREASING THE ELECTRICAL POTENTIAL ALONG THE RESTRICTED CURRENT PATH AND MEASURING ANY SUDDEN RESISTANCE CHANGE IN THE RESTRICTED CURRENT PATH RESPONSIVE TO THE PRESENCE THEREIN OF LIVE BACTERIA.
Inventors
- 👤 Joseph W Boyd
- 👤 Myron H Bengson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:11
CPC Classifications
C; C12; C12M; C12M41/00; C12M41/30; C12M41/36; C12M41/46; G; G01; G01N; G01N15/00; G01N15/10; G01N15/1031; G01N15/12; G01N2015/135
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |