1644379

Information

• Patent Grant
• 1644379

• References
• Source

• Patent Number

  1,644,379

• Date Filed

  Not available

• Date Issued

  Tuesday, October 4, 1927
  97 years ago

• CPC

  • B24B7/244 - continuous
  • Y10S29/082 - Air current generated by cutter
  • Y10S29/089 - Gas entrained liquid supply
  • Y10S29/093 - Plural discharge loci

• US Classifications

  • 451 - Abrading
  • 029 - Metal working