1812424

Information

• Patent Grant
• 1812424

• References
• Source

• Patent Number

  1,812,424

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1931
  93 years ago

• CPC

  • E04D5/00 - Roof covering by making use of flexible material
  • D06N5/00 - Roofing materials comprising a fibrous web coated with bitumen or another polymer
  • Y10T83/9382 - Punching plus nonpunching tool
  • Y10T83/9384 - Notching plus nonnotching tool

• US Classifications

  • 083 - Cutting