3320679

Information

• Patent Grant
• 3320679

• References
• Source

• Patent Number

  3,320,679

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1967
  57 years ago

• CPC

  • A45D20/26 - Guiding the air Regulating the air quantity

• US Classifications

  • 034 - Drying and gas or vapor contact with solids
  • 138 - Pipes and tubular conduits
  • 285 - Pipe joints or couplings