3744690

Information

• Patent Grant
• 3744690

• References
• Source

• Patent Number

  3,744,690

• Date Filed

  Not available

• Date Issued

  Tuesday, July 10, 1973
  51 years ago

• CPC

  • C03B33/0235 - Ribbons
  • C03B33/072 - Armoured glass
  • Y10T225/12 - With preliminary weakening
  • Y10T225/30 - Breaking or tearing apparatus
  • Y10T225/325 - With means to apply moment of force to weakened work

• US Classifications

  • 225 - Severing by tearing or breaking
  • 242 - Winding, tensioning, or guiding