1821577

Information

• Patent Grant
• 1821577

• References
• Source

• Patent Number

  1,821,577

• Date Filed

  Not available

• Date Issued

  Tuesday, September 1, 1931
  93 years ago

• CPC

  • B60R13/10 - Registration, licencing, or like devices
  • Y10S40/911 - Automobile body identification
  • Y10T29/49588 - Jewelry or locket making

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 029 - Metal working
  • 072 - Metal deforming