3289409

Information

• Patent Grant
• 3289409

• References
• Source

• Patent Number

  3,289,409

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1966
  58 years ago

• CPC

  • B64D1/20 - for sky-writing

• US Classifications

  • 060 - Power plants
  • 239 - Fluid sprinkling, spraying, and diffusing
  • 423 - Chemistry of inorganic compounds