3690293

Information

• Patent Grant
• 3690293

• References
• Source

• Patent Number

  3,690,293

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1972
  52 years ago

• CPC

  • C23C2/185 - Tubes; Wires

• US Classifications

  • 118 - Coating apparatus
  • 015 - Brushing, scrubbing, and general cleaning
  • 034 - Drying and gas or vapor contact with solids