3555950

Information

• Patent Grant
• 3555950

• References
• Source

• Patent Number

  3,555,950

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1971
  54 years ago

• CPC

  • G03F1/68 - Preparation processes not covered by groups G03F1/20 - G03F1/50
  • B05C17/06 - Stencils
  • B26F3/08 - with heated members
  • B43L13/001 - Mathematical drawing instruments
  • Y10S83/929 - Particular nature of work or product
  • Y10S83/956 - Ultrasonic
  • Y10T83/0348 - Active means to control depth of score
  • Y10T83/293 - Of tool

• US Classifications

  • 083 - Cutting
  • 219 - Electric heating