1384421

Information

• Patent Grant
• 1384421

• References
• Source

• Patent Number

  1,384,421

• Date Filed

  Not available

• Date Issued

  Tuesday, July 12, 1921
  103 years ago

• CPC

  • B30B1/326 - operated by hand or foot

• US Classifications

  • 060 - Power plants
  • 091 - Motors: expansible chamber type