3646492

Information

• Patent Grant
• 3646492

• References
• Source

• Patent Number

  3,646,492

• Date Filed

  Not available

• Date Issued

  Tuesday, February 29, 1972
  53 years ago

• CPC

  • H01F7/0257 - Lifting, pick-up magnetic objects
  • A47L13/41 - Magnetic cleaning implements
  • B03C1/30 - Combinations with other devices, not otherwise provided for
  • E01H1/14 - Removing by magnetic effect

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 209 - Classifying, separating, and assorting solids
  • 294 - Handling: hand and hoist-line implements