2850216

Information

• Patent Grant
• 2850216

• References
• Source

• Patent Number

  2,850,216

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1958
  66 years ago

• CPC

  • E01C19/2005 - without driven loosening, discharging or spreading

• US Classifications

  • 222 - Dispensing
  • 239 - Fluid sprinkling, spraying, and diffusing