3742939

Information

• Patent Grant
• 3742939

• References
• Source

• Patent Number

  3,742,939

• Date Filed

  Not available

• Date Issued

  Tuesday, July 3, 1973
  51 years ago

• CPC

  • A61B5/0935 - Recording apparatus specially adapted therefor
  • A61B5/085 - Measuring impedance of respiratory organs or lung elasticity

• US Classifications

  • 600 - Surgery
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener