3698639

Information

• Patent Grant
• 3698639

• References
• Source

• Patent Number

  3,698,639

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1972
  52 years ago

• CPC

  • F23K5/145 - combined with fans

• US Classifications

  • 239 - Fluid sprinkling, spraying, and diffusing