3718877

Information

• Patent Grant
• 3718877

• References
• Source

• Patent Number

  3,718,877

• 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

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 984 - Musical instruments