1973863

Information

• Patent Grant
• 1973863

• References
• Source

• Patent Number

  1,973,863

• Date Filed

  Not available

• Date Issued

  Tuesday, September 18, 1934
  90 years ago

• CPC

  • D06N5/00 - Roofing materials comprising a fibrous web coated with bitumen or another polymer
  • Y10S83/92 - Shingle making
  • Y10T83/0491 - Cutting of interdigitating products
  • Y10T83/0543 - Alternately forming products of less than total width of work
  • Y10T83/0562 - Prior to transverse severing
  • Y10T83/4705 - Plural separately mounted flying cutters

• US Classifications

  • 083 - Cutting