1634661

Information

• Patent Grant
• 1634661

• References
• Source

• Patent Number

  1,634,661

• Date Filed

  Not available

• Date Issued

  Tuesday, July 5, 1927
  97 years ago

• CPC

  • B21C37/105 - Supply, or operations combined with supply, of strip material
  • B21D5/143 - making use of a mandrel

• US Classifications

  • 072 - Metal deforming