1787449

Information

• Patent Grant
• 1787449

• References
• Source

• Patent Number

  1,787,449

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1931
  93 years ago

• CPC

  • E04G21/065 - making use of vibrating or jolting tools acting upon the shuttering
  • B28B1/087 - by means acting on the mould; Fixation thereof to the mould

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 086 - Ammunition and explosive-charge making
  • 404 - Road structure, process, or apparatus
  • 425 - Plastic article or earthenware shaping or treating: apparatus