1635640

Information

• Patent Grant
• 1635640

• References
• Source

• Patent Number

  1,635,640

• Date Filed

  Not available

• Date Issued

  Tuesday, July 12, 1927
  97 years ago

• CPC

  • B21B47/04 - for separating layers after rolling
  • Y10T29/309 - Means for opening or separating a pack

• US Classifications

  • 029 - Metal working