1838141

Information

• Patent Grant
• 1838141

• References
• Source

• Patent Number

  1,838,141

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1931
  92 years ago

• CPC

  • B67B7/20 - for breaking vacuum seals between lids or covers and bodies of preserving jars
  • B67B7/14 - for removing tightly-fitting lids or covers

• US Classifications

  • 081 - Tools
  • 030 - Cutlery