1976729

Information

• Patent Grant
• 1976729

• References
• Source

• Patent Number

  1,976,729

• Date Filed

  Not available

• Date Issued

  Tuesday, October 16, 1934
  90 years ago

• CPC

  • H04M1/52 - Arrangements wherein a dial or equivalent is mechanically coupled to a line selector

• US Classifications

  • 379 - Telephonic communications