3384504

Information

• Patent Grant
• 3384504

• References
• Source

• Patent Number

  3,384,504

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1968
  56 years ago

• CPC

  • B41M5/124 - using pressure to make a masked colour visible
  • C08J9/065 - Hydrides or carbides
  • D21H19/70 - with internal voids
  • Y10S428/914 - Transfer or decalcomania
  • Y10T428/249955 - Void-containing component partially impregnated with adjacent component

• US Classifications

  • 503 - Record receiver having plural interactive leaves or a colorless color former, method of use, or developer therefor
  • 427 - Coating processes
  • 428 - Stock material or miscellaneous articles
  • 521 - Synthetic resins or natural rubbers