3724803

Information

• Patent Grant
• 3724803

• References
• Source

• Patent Number

  3,724,803

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1973
  52 years ago

• CPC

  • F16H55/06 - Use of materials Use of treatments of toothed members or worms to affect their intrinsic material properties
  • B29C33/00 - Moulds or cores Details thereof or accessories therefor
  • B29C45/26 - Moulds
  • B29C45/37 - Mould cavity walls, i.e. the inner surface forming the mould cavity
  • B29D15/00 - Producing gear wheels or similar articles with grooves or projections
  • B29C2045/378 - built by a stack of modular elements

• US Classifications

  • 249 - Static molds
  • 425 - Plastic article or earthenware shaping or treating: apparatus