3643798

Information

• Patent Grant
• 3643798

• References
• Source

• Patent Number

  3,643,798

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  53 years ago

• CPC

  • G01G7/02 - by electromagnetic action
  • B07C5/165 - of letters
  • G01G19/00 - Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups

• US Classifications

  • 209 - Classifying, separating, and assorting solids