1976158

Information

• Patent Grant
• 1976158

• References
• Source

• Patent Number

  1,976,158

• Date Filed

  Not available

• Date Issued

  Tuesday, October 9, 1934
  90 years ago

• CPC

  • B41B27/04 - Keyboards
  • B41B7/18 - the matrices being guided by wires
  • B41B11/18 - Devices or arrangements for assembling matrices and space bands

• US Classifications

  • 199 - Type casting