US3165693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuously operable apparatus and method for counting particles in successive portions of a flowing fluid stream
Assignee: Bayer Corp
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Filing: 1962-02-23
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Granted: 1965-01-12
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Expires: 1982-02-23
Abstract
No abstract record available.
Inventors
- 👤 Isreeli Jack
- 👤 Bilichniansky Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:04
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/10; G01N15/1031; G01N15/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
PARTICLE COUNTING APPARATUS FOR CONTINUOUSLY DETERMINATING THE NUMBER OF PARTICLES IN A LIQUID HAVING A DIFFERENT ELECTRICAL CONDUCTIVITY THAN SAID PARTICLES, SAID APPARATUS COMPRISING: (A) A CELL HAVING FIRST AND SECOND CHAMBERS SEPARATED FROM EACH OTHER BY A WALL HAVING AN APERTURE THEREIN FORMING A CONSTRICTED FLOW PATH FOR THE LIQUID FROM SAID FIRST CHAMBER TO SAID SECOND CHAMBER, (B) SAID FIRST CHAMBER HAVING A LIQUID INLET AND SAID SECOND CHAMBER HAVING A LIQUID OUTLET, (C) MEANS CONNECTED TO SAID INLET FOR TRANSMITTING A STREAM OF LIQUID TO SAID FIRST CHAMBER,
Claim 2
Dependent Claim
91 words
PARTICLE COUNTING APPARATUS FOR CONTINUOUSLY DETERMINATING THE NUMBER OF PARTICLES IN A LIQUID HAVING A DIFFERENT ELECTRICAL CONDUCTIVITY THAN SAID PARTICLES, SAID APPARATUS COMPRISING: (A) A CELL HAVING FIRST AND SECOND CHAMBERS SEPARATED FROM EACH OTHER BY A WALL HAVING AN APERTURE THEREIN FORMING A CONSTRICTED FLOW PATH FOR THE LIQUID FROM SAID FIRST CHAMBER TO SAID SECOND CHAMBER, (B) SAID FIRST CHAMBER HAVING A LIQUID INLET AND SAID SECOND CHAMBER HAVING A LIQUID OUTLET, (C) MEANS CONNECTED TO SAID INLET FOR TRANSMITTING A STREAM OF LIQUID TO SAID FIRST CHAMBER,
References Cited (Backward Citations)
US2656508A
Cited
US2869078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-12 | 1968-07-13 | 1969-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-12 | 1972-07-13 | 1973-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-12 | 1976-07-13 | 1977-01-12 | $7700.00 | Window Closed / Lapsed |