269773

Information

• Patent Grant
• 269773

• References
• Source

• Patent Number

  269,773

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1882
  142 years ago

• CPC

  • D06B1/148 - the treating material being supplied to the roller by spraying or pouring

• US Classifications

  • 175 - Boring or penetrating the earth