2147190

Information

• Patent Grant
• 2147190

• References
• Source

• Patent Number

  2,147,190

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1939
  85 years ago

• CPC

  • B65H54/702 - Arrangements for confining or removing dust
  • B65H2701/31 - Textiles threads or artificial strands of filaments
  • Y10S29/078 - Air blast and/or vacuum conveyor
  • Y10S29/101 - Pan, bed, or table

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 029 - Metal working
  • 055 - Gas separation