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Patent US4929641B1 successfully refreshed from Google Patents.
US4929641B1
Expired / Lapsed
US
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Mercapto-acylamino acid antihypertensives
Assignee: Merck Sharp & Dohme LLC
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Filing: 1988-05-11
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Granted: 1994-08-30
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Expires: 2008-05-11
Abstract
No abstract record available.
Inventors
- 👤 Martin F Haslanger
- 👤 Bernard R Neustadt
- 👤 Elizabeth M Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:53
CPC Classifications
C; C07; C07C; C07C323/00; C07C323/50; C07C323/51; C07C323/57; C07C323/58; C07C323/59; C07C327/00; C07C327/20; C07C327/32
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) | 1997-08-29 | 1998-02-28 | 1998-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-08-29 | 2002-02-28 | 2002-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-08-29 | 2006-02-28 | 2006-08-30 | $7700.00 | Window Closed / Lapsed |