US3001915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diagnostic composition
Assignee: Bayer Corp
•
Filing: 1957-12-16
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Granted: 1961-09-26
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Expires: 1977-12-16
Abstract
No abstract record available.
Inventors
- 👤 Dale E Fonner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:53
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/64; C; C12; C12Q; C12Q1/00; C12Q1/54; G01N33/52; G01N33/521; G01N33/84
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A TEST INDICATOR FOR BIOLOGICAL FLUIDS WHICH COMPRISES A BIBULOUS STRIP HAVING AT LEAST TWO TEST PORTIONS SEPARATELY IMPREGNATED WITH A REAGENT MATERIAL CAPABLE OF DETECTING ABNORMALITY OF SAID BIOLOGICAL FLUID, EACH TEST PORTION BEING SEPARATED FROM THE OTHER BY A BARRIER PORTION TO PREVENT CO-MINGLING OF SAID REAGENT MATERIAL WHEN CONTACTED BY SAID BIOLOTICAL FLUID, SAID BARRIER PORTION HAVING BEEN FORMED BY DISSOLVING IN A SOLVENT THEREFOR A BARRIER MATERIAL SELECTED FROM THE GROUP CONSISTING OF ETHYL CELLULOSE, POLYSTYRENE, ROSIN AND PARAFFIN, IMPREGNATING SAID BIBULOUS STRIP WITH SAID DISSOLVED MATERIAL SO THAT SAID MATERIAL COMPLETELY SATURATES THE CROSS-SECTIONAL AREA OF SAID BIBULOUS STRIP AND REMOVING SAID SOLVENT FROM SAID IMPREGNATED BIBULOUS STRIP.
Claim 2
Dependent Claim
113 words
A TEST INDICATOR FOR BIOLOGICAL FLUIDS WHICH COMPRISES A BIBULOUS STRIP HAVING AT LEAST TWO TEST PORTIONS SEPARATELY IMPREGNATED WITH A REAGENT MATERIAL CAPABLE OF DETECTING ABNORMALITY OF SAID BIOLOGICAL FLUID, EACH TEST PORTION BEING SEPARATED FROM THE OTHER BY A BARRIER PORTION TO PREVENT CO-MINGLING OF SAID REAGENT MATERIAL WHEN CONTACTED BY SAID BIOLOTICAL FLUID, SAID BARRIER PORTION HAVING BEEN FORMED BY DISSOLVING IN A SOLVENT THEREFOR A BARRIER MATERIAL SELECTED FROM THE GROUP CONSISTING OF ETHYL CELLULOSE, POLYSTYRENE, ROSIN AND PARAFFIN, IMPREGNATING SAID BIBULOUS STRIP WITH SAID DISSOLVED MATERIAL SO THAT SAID MATERIAL COMPLETELY SATURATES THE CROSS-SECTIONAL AREA OF SAID BIBULOUS STRIP AND REMOVING SAID SOLVENT FROM SAID IMPREGNATED BIBULOUS STRIP.
References Cited (Backward Citations)
US2129754A
Cited
US2606102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |