3483818

Information

• Patent Grant
• 3483818

• References
• Source

• Patent Number

  3,483,818

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1969
  55 years ago

• CPC

  • D06H1/003 - by passing a needle through the layers

• US Classifications

  • 101 - Printing
  • 055 - Gas separation
  • 141 - Fluent material handling, with receiver or receiver coacting means