Expired, full termArchiveSolo inventor
Treatment of respiratory depression with 2 - hydroxy - 2,6,6 - trimethylcyclohexylidene acetic acid,2-lactone or 2-hydroxy-2,6,6 - trimethylcyclohexyl acetic acid,gamma-lactone
US 3,501,574 A · Inventors: TOMPKINS EDWARD CROSBY
Overview
The published document from the USPTO: abstract, claims, description and drawings. Open it full size
Read the whole patent
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.
Why it's free to use
- Granted March 17, 1970. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by March 17, 1987.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledApril 17, 1968
GrantedMarch 17, 1970
Term endedMarch 17, 1987
Application number—
Classification (CPC)A61K31/00
Length3 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.