3822861

Information

• Patent Grant
• 3822861

• References
• Source

• Patent Number

  3,822,861

• Date Filed

  Not available

• Date Issued

  Tuesday, July 9, 1974
  50 years ago

• CPC

  • B66F3/35 - Inflatable flexible elements
  • B28B13/067 - by applying blows or vibrations followed by, or during, the removal of a mould part
  • E04G19/00 - Auxiliary treatment of forms
  • Y10T29/5383 - having fluid operator

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force
  • 029 - Metal working
  • 249 - Static molds
  • 425 - Plastic article or earthenware shaping or treating: apparatus