US3244608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coulometric reagent generator
Assignee: Beckman Coulter Inc
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Filing: 1961-10-09
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Granted: 1966-04-05
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Expires: 1981-10-09
Abstract
No abstract record available.
Inventors
- 👤 Strickler Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:35
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/42; G01N27/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN A COULOMETRIC REAGENT GENERATOR, THE COMBINATION OF: A FIRST ELECTRICALLY NON-CONDUCTIVE POROUS DIAPHRAGM HAVING A FIRST ZONE OF RELATIVELY COARSE HIGH POROSITY FORM AND A SECOND ZONE OF RELATIVELY FINE LOW POROSITY FORM FORMING ITS OPPOSED FACES; A SECOND ELECTRICALLY NON-CONDUCTIVE POROUS DIAPHRAGM HAVING A FIRST ZONE OF RELATIVELY COARSE HIGH POROSITY FORM AND A SECOND ZONE OF RELATIVELY FINE LOW POROSITY FORM FORMING ITS OPPOSED FACES; MEANS FOR SUPPORTING SAID DIAPHRAGMS FOR DEFINING AN ELECTROLYTE SPACE BETWEEN THE FIRST ZONES THEREOF; MEANS FOR DELIVERING AN ELECTROLYTE TO SAID ELECTROLYTE SPACE;
Claim 2
Dependent Claim
92 words
IN A COULOMETRIC REAGENT GENERATOR, THE COMBINATION OF: A FIRST ELECTRICALLY NON-CONDUCTIVE POROUS DIAPHRAGM HAVING A FIRST ZONE OF RELATIVELY COARSE HIGH POROSITY FORM AND A SECOND ZONE OF RELATIVELY FINE LOW POROSITY FORM FORMING ITS OPPOSED FACES; A SECOND ELECTRICALLY NON-CONDUCTIVE POROUS DIAPHRAGM HAVING A FIRST ZONE OF RELATIVELY COARSE HIGH POROSITY FORM AND A SECOND ZONE OF RELATIVELY FINE LOW POROSITY FORM FORMING ITS OPPOSED FACES; MEANS FOR SUPPORTING SAID DIAPHRAGMS FOR DEFINING AN ELECTROLYTE SPACE BETWEEN THE FIRST ZONES THEREOF; MEANS FOR DELIVERING AN ELECTROLYTE TO SAID ELECTROLYTE SPACE;
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |