US4906662B1
Expired / Lapsed
US
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US4906662B1 - - Google Patents
Assignee: Otsuka Pharmaceutical Co Ltd
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Filing: 1987-01-27
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Granted: 1992-07-14
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Expires: 2007-01-27
Abstract
No abstract record available.
Inventors
- 👤 Hashimoto Kinji
- 👤 Goto Kiyoto
- 👤 Kanai Ken-Ichi
- 👤 Tsuda Yoshiaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:24
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/18; C07D295/182; C07D295/185; A; A61; A61P; A61P25/00; A61P25/04; A61P29/00; A61P37/00; A61P37/08; A61P7/00; A61P7/02; A61P7/10; A61P9/00; A61P9/12; C07C; C07C255/00; C07C311/00; C07C311/15; C07C311/16; C07C311/30; C07C311/37; C07C311/38; C07C317/00; C07C317/26; C07C317/32; C07C317/34; C07C323/00; C07C323/50; C07C323/62; C07C323/63; C07D295/192
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 |