1969221

Information

• Patent Grant
• 1969221

• References
• Source

• Patent Number

  1,969,221

• Date Filed

  Not available

• Date Issued

  Tuesday, August 7, 1934
  90 years ago

• CPC

  • B44B5/026 - Dies
  • B29C59/02 - by mechanical means
  • B44B5/0033 - Oscillating embossing tools
  • B44B5/0061 - characterised by the power drive
  • B29C2035/0211 - resistance heating
  • B29K2021/00 - Use of unspecified rubbers as moulding material
  • B29L2023/245 - Inner tubes
  • Y10T83/492 - With means to vary timing of tool feed

• US Classifications

  • 033 - Geometrical instruments
  • 083 - Cutting