1763884

Information

• Patent Grant
• 1763884

• References
• Source

• Patent Number

  1,763,884

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1930
  94 years ago

• CPC

  • H01B13/282 - by winding

• US Classifications

  • 148 - Metal treatment
  • 178 - Telegraphy