1019260

Information

• Patent Grant
• 1019260

• References
• Source

• Patent Number

  1,019,260

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1912
  113 years ago

• CPC

  • H01C8/02 - Coherers or like imperfect resistors for detecting electromagnetic waves
  • Y10S425/033 - Magnet

• US Classifications

  • 178 - Telegraphy
  • 329 - Demodulators
  • 425 - Plastic article or earthenware shaping or treating: apparatus