2059639

Information

• Patent Grant
• 2059639

• References
• Source

• Patent Number

  2,059,639

• Date Filed

  Not available

• Date Issued

  Tuesday, November 3, 1936
  88 years ago

• CPC

  • E21F5/04 - Spraying barriers

• US Classifications

  • 239 - Fluid sprinkling, spraying, and diffusing
  • 299 - Mining or in situ disintegration of hard material