3550771

Information

• Patent Grant
• 3550771

• References
• Source

• Patent Number

  3,550,771

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1970
  54 years ago

• CPC

  • B07B13/08 - according to weight
  • B07C5/165 - of letters
  • F15C1/005 - for measurement techniques
  • G01G19/41 - using mechanical computing means
  • Y10S209/906 - Pneumatic or liquid stream feeding item

• US Classifications

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