1920265

Information

• Patent Grant
• 1920265

• References
• Source

• Patent Number

  1,920,265

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1933
  91 years ago

• CPC

  • B21F3/04 - externally on a mandrel or the like
  • B21D53/88 - other parts for vehicles
  • Y10T29/5195 - Tire valve or spark plug
  • Y10T29/53387 - by deforming

• US Classifications

  • 029 - Metal working