US4879309B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4879309B1 - - Google Patents
Assignee: Merck Sharp & Dohme LLC
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Filing: 1989-01-30
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Granted: 1992-07-14
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Expires: 2009-01-30
Abstract
No abstract record available.
Inventors
- 👤 J Doll Ronald
- 👤 R Neustadt Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:16
CPC Classifications
C; C07; C07C; C07C327/00; C07C327/20; C07C327/32; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/81; C07D213/82; C07C323/00; C07C323/50; C07C323/51; C07C323/60; C07C327/22; C07C327/26
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) | 1995-07-14 | 1996-01-13 | 1996-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-07-14 | 2000-01-13 | 2000-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-07-14 | 2004-01-13 | 2004-07-14 | $7700.00 | Window Closed / Lapsed |