1783936

Information

• Patent Grant
• 1783936

• References
• Source

• Patent Number

  1,783,936

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1930
  94 years ago

• CPC

  • H04M1/52 - Arrangements wherein a dial or equivalent is mechanically coupled to a line selector
  • H04M1/0289 - Telephone sets for operators
  • H04M1/22 - Illuminating Arrangements for improving visibility of characters on dials

• US Classifications

  • 379 - Telephonic communications