1761708

Information

• Patent Grant
• 1761708

• References
• Source

• Patent Number

  1,761,708

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1930
  94 years ago

• CPC

  • B66B19/06 - Applications of signalling devices

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 340 - Communications: electrical