3718871

Information

• Patent Grant
• 3718871

• References
• Source

• Patent Number

  3,718,871

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1973
  51 years ago

• CPC

  • C08G18/727 - comprising distillation residues or non-distilled raw phosgenation products
  • G10H1/043 - Continuous modulation
  • H01H13/52 - the contact returning to its original state immediately upon removal of operating force
  • H01H36/004 - push-button-operated
  • H03C3/00 - Angle modulation
  • H03C3/10 - by means of variable impedance

• US Classifications

  • 332 - Modulators
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 330 - Amplifiers
  • 984 - Musical instruments