3643941

Information

• Patent Grant
• 3643941

• References
• Source

• Patent Number

  3,643,941

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  52 years ago

• CPC

  • A61M21/0094 - Isolation chambers used therewith
  • A61M2021/0027 - by the hearing sense
  • A61M2021/0044 - by the sight sense
  • A61N2005/0663 - Coloured light
  • Y10S273/02 - Styrene

• US Classifications

  • 472 - Amusement devices
  • 273 - Amusement devices: games
  • 600 - Surgery
  • 601 - Surgery: kinesitherapy