1820999

Information

• Patent Grant
• 1820999

• References
• Source

• Patent Number

  1,820,999

• Date Filed

  Not available

• Date Issued

  Tuesday, September 1, 1931
  93 years ago

• CPC

  • B67B7/12 - for removing disc-closures

• US Classifications

  • 215 - Bottles and jars
  • 081 - Tools