446661

Information

• Patent Grant
• 446661

• References
• Source

• Patent Number

  446,661

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 1891
  133 years ago

• CPC

  • F21L13/06 - with mechanical drive
  • F42C11/003 - for hand grenades

• US Classifications

  • 310 - Electrical generator or motor structure
  • 290 - Prime-mover dynamo plants