228989

Information

• Patent Grant
• 228989

• References
• Source

• Patent Number

  228,989

• Date Filed

  Not available

• Date Issued

  Tuesday, June 22, 1880
  145 years ago

• CPC

  • B23G1/22 - Machines specially designed for operating on pipes or tubes
  • Y10T29/5132 - Belt drive

• US Classifications

  • 470 - Threaded, headed fastener, or washer making: process and apparatus
  • 029 - Metal working