Patent US2448311A successfully refreshed from Google Patents.
US3000836A
Expired / Lapsed
US
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Stabilized whole blood standard and method of making the same
Assignee: Individual
•
Filing: 1958-09-02
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Granted: 1961-09-19
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Expires: 1978-09-02
Abstract
No abstract record available.
Inventors
- 👤 Ginsburg Ben
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:34
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/72; G01N33/721; Y; Y10; Y10T; Y10T436/00; Y10T436/10; Y10T436/105831; Y10T436/108331
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
THE METHOD OF PREPARING A STABILIZED WHOLE BLOOD WHICH IS STANDARDIZED FOR USE AS A HEMOGLOBIN STANDARD COMRPISING THE STEPS OF: ALTERNATELY FREEZING AND THAWING A BLOOD SAMPLE TO RUPTURE AND SEPARATE THE HEMOGLOBIN IN A BLOOD SAMPLE FROM THE CELLULAR TISSUE IN WHICH SAID HEMOGLOBIN IS CONTAINED, ADDING PRESERVATIVE TO SAID SAMPLE, REMOVING THE CELLULAR TISSUE FROM SAID SAMPLE, AND ADJUSTING THE HEMOGLOBIN CONTENT OF SAID SAMPLE TO A KNOWN CONCENTRATION BY DILUTION WITH CHEMICAL COMPOUNDS WHICH DO NOT AFFECT THE CHEMICAL ANALYSIS OF THE BLOOD, WHEREBY SAID SAMPLE OF KNOWN CONCENTRATION CAN BE UTILIZED AS AN INTERNAL STANDARD AND CONTROL IN THE HEMOGLOBIN ANALYSIS OF AN UNKNOWN SUMPLE BY CLINICAL METHODS.
Claim 2
Independent Claim
113 words
THE METHOD OF PREPARING A STABILIZED WHOLE BLOOD WHICH IS STANDARDIZED FOR USE AS A HEMOGLOBIN STANDARD COMRPISING THE STEPS OF: ALTERNATELY FREEZING AND THAWING A BLOOD SAMPLE TO RUPTURE AND SEPARATE THE HEMOGLOBIN IN A BLOOD SAMPLE FROM THE CELLULAR TISSUE IN WHICH SAID HEMOGLOBIN IS CONTAINED, ADDING PRESERVATIVE TO SAID SAMPLE, REMOVING THE CELLULAR TISSUE FROM SAID SAMPLE, AND ADJUSTING THE HEMOGLOBIN CONTENT OF SAID SAMPLE TO A KNOWN CONCENTRATION BY DILUTION WITH CHEMICAL COMPOUNDS WHICH DO NOT AFFECT THE CHEMICAL ANALYSIS OF THE BLOOD, WHEREBY SAID SAMPLE OF KNOWN CONCENTRATION CAN BE UTILIZED AS AN INTERNAL STANDARD AND CONTROL IN THE HEMOGLOBIN ANALYSIS OF AN UNKNOWN SUMPLE BY CLINICAL METHODS.
References Cited (Backward Citations)
US2527210A
Cited
US2770602A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |