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Patent US4956480B1 successfully refreshed from Google Patents.
US4956480B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
7-amino-4-methyl-coumarin-carboxyalkyl derivatives and fluorescent conjugates thereof
Assignee: Roche Diagnostics GmbH
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Filing: 1988-06-17
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Granted: 1993-11-16
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Expires: 2008-06-17
Abstract
No abstract record available.
Inventors
- 👤 Robinson Don
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:59
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/53; G01N33/531; G01N33/532; G01N33/533; C; C07; C07D; C07D311/00; C07D311/02; C07D311/04; C07D311/06; C07D311/08; C07D311/16; C12; C12Q; C12Q1/00; C12Q1/34; C12Q1/37; C12Q2337/00; C12Q2337/20; C12Q2337/22
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) | 1996-11-15 | 1997-05-17 | 1997-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-11-15 | 2001-05-17 | 2001-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-11-15 | 2005-05-17 | 2005-11-16 | $7700.00 | Window Closed / Lapsed |