3022020

Information

• Patent Grant
• 3022020

• References
• Source

• Patent Number

  3,022,020

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1962
  64 years ago

• CPC

  • B65H54/2815 - heart-shaped cam
  • B65H54/74 - Driving arrangements
  • B65H2511/13 - Thickness
  • B65H2511/20 - Location in space
  • B65H2701/3122 - extruded from spinnerets

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 065 - Glass manufacturing