249474

Information

• Patent Grant
• 249474

• References
• Source

• Patent Number

  249,474

• Date Filed

  Not available

• Date Issued

  Tuesday, November 15, 1881
  143 years ago

• CPC

  • B23Q11/0046 - by sucking
  • Y10S29/099 - Flexible conveyor

• US Classifications

  • 144 - Woodworking
  • 029 - Metal working
  • 209 - Classifying, separating, and assorting solids