2258117

Information

• Patent Grant
• 2258117

• References
• Source

• Patent Number

  2,258,117

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1941
  83 years ago

• CPC

  • E21F5/10 - Devices for rock dusting
  • Y10T137/87611 - Flow control by varying position of a fluid inlet relative to entrainment chamber
  • Y10T137/87619 - With selectively operated flow control means in inlet

• US Classifications

  • 169 - Fire extinguishers
  • 137 - Fluid handling
  • 239 - Fluid sprinkling, spraying, and diffusing
  • 451 - Abrading