1936439

Information

• Patent Grant
• 1936439

• References
• Source

• Patent Number

  1,936,439

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1933
  91 years ago

• CPC

  • E04C3/36 - of other materials not covered by groups E04C3/40 - E04C3/44 of a combination of two or more materials
  • B27G1/00 - Machines or devices for removing knots or other irregularities or for filling-up holes
  • B27M1/00 - Working of wood not provided for in subclasses B27B - B27L
  • B27K3/46 - Coal tar
  • B27K3/50 - Mixtures of different organic impregnating agents
  • Y10T428/2935 - Discontinuous or tubular or cellular core
  • Y10T428/2975 - Tubular or cellular

• US Classifications

  • 427 - Coating processes
  • 034 - Drying and gas or vapor contact with solids
  • 428 - Stock material or miscellaneous articles