Patent US3557608A successfully refreshed from Google Patents.
US3557608A
Expired / Lapsed
US
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Fluid analysis system
Assignee: Individual
•
Filing: 1968-09-06
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Granted: 1971-01-26
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Expires: 1988-09-06
Abstract
Abstract A SYSTEM FOR TAKING SAMPLES OF A FLUID AND PASSING THE SAME THROUGH A SERIES OF ANALYTICAL STAGES WITHOUT PHYSICALLY DAMAGING THE SAMPLE. A SUCTION APPARATUS IS PROVIDED AT THE DISCHARGE END OF THE SYSTEM AND IS USED AS THE MOTOR FORCE TO DRAW A SAMPLE FROM THE ENVIRONMENT OF THE FLUID THROUGH VARIOUS ANALYTICAL AND OPERATIVE STAGES DURING WHICH THE SAMPLE IS ANALYZED.
Inventors
- 👤 Alan H Molof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:59
CPC Classifications
G; G01; G01N; G01N35/00; G01N35/10; G01N35/1095
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |