US3594466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Immunological test system and process for preparing same
Assignee: LABORATOIRES POLYPHARMA
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Filing: 1966-10-24
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Granted: 1971-07-20
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Expires: 1986-10-24
Abstract
Abstract A STABLE DIAGNOSTIC FOR RHEUMATOID ARTHRITIS IS PROVIDED BY PROCESSING RED BLOOD CELLS, PROCESSING A HEMOLYTIC ANTISERUM TO THE RED CELLS, AND FORMOLATING AND COMBINING THE RED CELLS AND THE HEMOLYTIC ANTISERUM.
Inventors
- 👤 Rene Auguste Denis Guffroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:26
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/53; G01N33/564; Y; Y10; Y10S; Y10S436/00; Y10S436/821; Y10S436/826
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) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |