2572503

Information

• Patent Grant
• 2572503

• References
• Source

• Patent Number

  2,572,503

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1951
  74 years ago

• CPC

  • H04M1/52 - Arrangements wherein a dial or equivalent is mechanically coupled to a line selector
  • Y10T74/20244 - Push button

• US Classifications

  • 074 - Machine element or mechanism
  • 200 - Electricity: circuit makers and breakers
  • 379 - Telephonic communications