1409888

Information

• Patent Grant
• 1409888

• References
• Source

• Patent Number

  1,409,888

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1922
  102 years ago

• CPC

  • B24B13/02 - by means of tools with abrading surfaces corresponding in shape with the lenses to be made
  • B24B57/00 - Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
  • Y10S29/054 - Fluid control interrelated with machine tool mechanism
  • Y10S29/089 - Gas entrained liquid supply

• US Classifications

  • 451 - Abrading
  • 029 - Metal working