1685386

Information

• Patent Grant
• 1685386

• References
• Source

• Patent Number

  1,685,386

• Date Filed

  Not available

• Date Issued

  Tuesday, September 25, 1928
  95 years ago

• CPC

  • H01B13/282 - by winding

• US Classifications

  • 178 - Telegraphy
  • 156 - Adhesive bonding and miscellaneous chemical manufacture