873

Information

• Patent Grant
• 873

• References
• Source

• Patent Number

  873

• Date Filed

  Not available

• Date Issued

  Friday, August 3, 1838
  186 years ago

• CPC

  • B25D7/00 - Picks
  • Y10S505/817 - forming josephson element
  • Y10S505/832 - Josephson junction type

• US Classifications

  • 125 - Stone working
  • 126 - Stoves and furnaces