US3790663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of dry antiserum coated solid-phase for radioimmunoassay of antigens
Assignee: United States Department of Health and Human Services
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Filing: 1970-07-07
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Granted: 1974-02-05
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Expires: 1990-07-07
Abstract
Abstract A DRIED SOLID PHASE FOR RADIOIMMUNOASSAY OF ANTIGENS WHICH IS STABLE WITHOUT REFRIGERATION FOR EXTENDED PERIODS OF TIME, AND A METHOD OF PREPARING THE SOLID PHASE. THE SOLID-PHASE IS PREPRRED BY COATING AN ORGANIC POLYMER WITH ANTISERUM AND THEN AIR DRYING SAME ABOUT 25*C.
Inventors
- 👤 M Garrison
- 👤 R Bates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:18
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/74; G01N33/53; G01N33/543; G01N33/544; G01N33/545; Y; Y10; Y10S; Y10S436/00; Y10S436/807; Y10S436/809; Y10S436/815; Y10S436/817; Y10S436/818; Y10S436/826
Claims Analysis
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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) | 1977-02-04 | 1977-08-06 | 1978-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-04 | 1981-08-06 | 1982-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-04 | 1985-08-06 | 1986-02-05 | $7700.00 | Window Closed / Lapsed |