3384502

Information

• Patent Grant
• 3384502

• References
• Source

• Patent Number

  3,384,502

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1968
  56 years ago

• CPC

  • D06N3/0054 - obtained by mechanical perforations
  • D06N3/005 - obtained by blowing or swelling agent

• US Classifications

  • 427 - Coating processes