518197

Information

• Patent Grant
• 518197

• References
• Source

• Patent Number

  518,197

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1894
  130 years ago

• CPC

  • B21B47/02 - for folding sheets before rolling
  • B29C47/0009 - characterised by the shape of the articles
  • Y10T74/2151 - Longitudinally adjustable

• US Classifications

  • 072 - Metal deforming
  • 074 - Machine element or mechanism
  • 091 - Motors: expansible chamber type