1540899

Information

• Patent Grant
• 1540899

• References
• Source

• Patent Number

  1,540,899

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1925
  99 years ago

• CPC

  • B23P15/48 - threading tools
  • Y10T29/513 - Stationary work

• US Classifications

  • 029 - Metal working