1979172

Information

• Patent Grant
• 1979172

• References
• Source

• Patent Number

  1,979,172

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1934
  90 years ago

• CPC

  • B67B7/40 - Devices for engaging tags, strips, or tongues for opening by tearing
  • B65D17/26 - Attachments of slotted keys to preserving cans or tins

• US Classifications

  • 220 - Receptacles