2768521

Information

• Patent Grant
• 2768521

• References
• Source

• Patent Number

  2,768,521

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1956
  68 years ago

• CPC

  • B28B11/0845 - for smoothing
  • B28B21/96 - for smoothing, roughening, corrugating or for removing burr
  • E04F21/08 - Mechanical implements
  • E04F21/16 - Implements for after-treatment of plaster or the like before it has hardened or dried

• US Classifications

  • 118 - Coating apparatus
  • 425 - Plastic article or earthenware shaping or treating: apparatus