1687382

Information

• Patent Grant
• 1687382

• References
• Source

• Patent Number

  1,687,382

• Date Filed

  Not available

• Date Issued

  Tuesday, October 9, 1928
  96 years ago

• CPC

  • B24B15/04 - on valve members
  • Y10T29/44 - Filing
  • Y10T82/29 - Attachment for cutting a valve

• US Classifications

  • 082 - Turning
  • 029 - Metal working