2252321

Information

• Patent Grant
• 2252321

• References
• Source

• Patent Number

  2,252,321

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1941
  83 years ago

• CPC

  • G04F8/003 - using continuously running driving means

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 218 - High-voltage switches with arc preventing or extinguishing devices
  • 968 - Horology