3648839

Information

• Patent Grant
• 3648839

• References
• Source

• Patent Number

  3,648,839

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1972
  53 years ago

• CPC

  • B07C5/165 - of letters

• US Classifications

  • 209 - Classifying, separating, and assorting solids
  • 177 - Weighing scales