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US4906662B1 Expired / Lapsed US ⏱️ 0.0 years remaining

US4906662B1 - - Google Patents

Assignee: Otsuka Pharmaceutical Co Ltd
•
Filing: 1987-01-27
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Granted: 1992-07-14
•
Expires: 2007-01-27
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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

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