3898994

Information

• Patent Grant
• 3898994

• References
• Source

• Patent Number

  3,898,994

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1975
  49 years ago

• CPC

  • A61N1/025 - Digital circuitry features of electrotherapy devices
  • A61N1/056 - Transvascular endocardial electrode systems
  • A61N1/0587 - Epicardial electrode systems; Endocardial electrodes piercing the pericardium
  • A61N1/362 - Heart stimulators
  • A61N1/37 - Monitoring Protecting
  • A61N1/375 - Constructional arrangements
  • H03K3/2826 - using two active transistors of the complementary type

• US Classifications

  • 607 - Surgery: light, thermal, and electrical application
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 331 - Oscillators