3143022

Information

• Patent Grant
• 3143022

• References
• Source

• Patent Number

  3,143,022

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1964
  60 years ago

• CPC

  • B31B1/24 - Making window openings
  • B31B2201/908 - involving cutting window openings
  • Y10T83/4824 - With means to cause progressive transverse cutting
  • Y10T83/4836 - With radial overlap of the cutting members
  • Y10T83/8795 - Progressively cutting
  • Y10T83/9389 - Shear type

• US Classifications

  • 083 - Cutting