1677172

Information

• Patent Grant
• 1677172

• References
• Source

• Patent Number

  1,677,172

• Date Filed

  Not available

• Date Issued

  Tuesday, July 17, 1928
  96 years ago

• CPC

  • B28D5/021 - by drilling
  • Y10S29/054 - Fluid control interrelated with machine tool mechanism
  • Y10S29/088 - by projecting, squirting or dripping
  • Y10S29/09 - Elevated tank supply

• US Classifications

  • 451 - Abrading
  • 029 - Metal working
  • 125 - Stone working