1643875

Information

• Patent Grant
• 1643875

• References
• Source

• Patent Number

  1,643,875

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1927
  97 years ago

• CPC

  • B21J7/30 - operated by electro-magnets

• US Classifications

  • 310 - Electrical generator or motor structure
  • 072 - Metal deforming