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1,2,3,4,8,9-hexahydro-3-methylpyridol(4',3':2,3)indolo(1,7-ab)(1)benzazepine and the 3-ethyl homolog as tranquilizers

US 3,781,437 A · Inventors: RUBIN A

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Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

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  • Granted December 25, 1973. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by December 25, 1990.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJune 2, 1972
GrantedDecember 25, 1973
Term endedDecember 25, 1990
Application number—
Classification (CPC)—
Length4 pages

Timeline

Timeline From USPTO dates

197319751977197919811983198519871989Application filedJune 2, 1972Patent grantedDec 25, 1973Term endedDec 25, 1990

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Full published documentText and every drawing sheet as a PDF.USPTOFile historyStatus, office actions, notices, fee records and petitions.USPTO Patent CenterPatent Public Search recordSearchable full text and bibliographic data.USPTO

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