3485984

Information

• Patent Grant
• 3485984

• References
• Source

• Patent Number

  3,485,984

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1969
  55 years ago

• CPC

  • D01D10/0409 - on bobbins

• US Classifications

  • 219 - Electric heating
  • 034 - Drying and gas or vapor contact with solids