1902194

Information

• Patent Grant
• 1902194

• References
• Source

• Patent Number

  1,902,194

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1933
  91 years ago

• CPC

  • B24B55/06 - Dust extraction equipment on grinding or polishing machines
  • B24B33/089 - with a rack-and-pinion mechanism for expanding the honing segments
  • Y10S29/084 - Vacuum exhaust type
  • Y10S82/901 - Chip removal

• US Classifications

  • 451 - Abrading
  • 015 - Brushing, scrubbing, and general cleaning
  • 029 - Metal working
  • 082 - Turning