1452890

Information

• Patent Grant
• 1452890

• References
• Source

• Patent Number

  1,452,890

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1923
  103 years ago

• CPC

  • B21B47/04 - for separating layers after rolling
  • Y10T29/306 - Disassembling of a pack

• US Classifications

  • 029 - Metal working