1424728

Information

• Patent Grant
• 1424728

• References
• Source

• Patent Number

  1,424,728

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1922
  102 years ago

• CPC

  • A01B35/16 - with rotating or circulating non-propelled tools
  • Y10S37/905 - Nondredge excavating by fluid contact or explosion

• US Classifications

  • 111 - Planting
  • 037 - Excavating
  • 172 - Earth working
  • 299 - Mining or in situ disintegration of hard material