Patent US3632735A successfully refreshed from Google Patents.
US3632735A
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Method of stabilizing fowl red blood cells for use in hematology control compositions
Assignee: Pfizer Inc
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Filing: 1970-03-11
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Granted: 1972-01-04
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Expires: 1990-03-11
Abstract
Abstract A NOVEL METHOD FOR STABLILIZING RED BLOOD CELLS FOR HEMATOLOGY COUNTING PURPOSES SUCH AS RED BLOOD CELL AND WHITE BLOOD CELL COUNTING AND USEFUL COMPOSITIONS CONTAINING SUCH TREATED CELLS.
Inventors
- 👤 Donald A Kita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:02
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/483; G01N33/487; G01N33/49; Y; Y10; Y10T; Y10T436/00; Y10T436/10; Y10T436/101666; Y10T436/107497; Y10T436/108331
Claims Analysis
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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) | 1975-01-03 | 1975-07-05 | 1976-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-03 | 1979-07-05 | 1980-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-03 | 1983-07-05 | 1984-01-04 | $7700.00 | Window Closed / Lapsed |