1657783

Information

• Patent Grant
• 1657783

• References
• Source

• Patent Number

  1,657,783

• Date Filed

  Not available

• Date Issued

  Tuesday, January 31, 1928
  97 years ago

• CPC

  • B67B7/12 - for removing disc-closures
  • B24B5/363 - for grinding surfaces of revolution in situ
  • B67C9/00 - Devices for emptying bottles, not otherwise provided for

• US Classifications

  • 414 - Material or article handling
  • 081 - Tools
  • 222 - Dispensing