Patent DE4222291C1 successfully refreshed from Google Patents.
US3630957A
Expired / Lapsed
US
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Diagnostic agent
Assignee: Roche Diagnostics GmbH
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Filing: 1967-11-15
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Granted: 1971-12-28
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Expires: 1987-11-15
Abstract
Abstract DIAGNOSTIC AGENTS FOR USE IN THE DETECTION OF BIOCHEMICAL AND CHEMICAL COMPONENTS IN BLOOD, URINE AND OTHER BIOLOGICAL FLUIDS ARE DISCLOSED COMPRISING WATER-RESISTANT FILMS IN WHICH A COMPOSITION FORMING COLOR IN RESPONSE TO SAID CHEMICAL OR BIOLOGICAL COMPONET IS UNIFORMLY DISTRIBUTED.
Inventors
- 👤 Hans-Georg Rey
- 👤 Pieter Rieckmann
- 👤 Hans Wielinger
- 👤 Walter Rittersdorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:52
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/52; G01N33/521; C; C12; C12Q; C12Q1/00; C12Q1/26; C12Q1/28; C12Q1/54; Y; Y10; Y10S; Y10S435/00; Y10S435/805; Y10T; Y10T436/00; Y10T436/14; Y10T436/142222; Y10T436/143333; Y10T436/144444; Y10T436/145555; Y10T436/146666; Y10T436/17; Y10T436/171538; Y10T436/173076
Claims Analysis
Total Claims: 0
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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) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |