1721723

Information

• Patent Grant
• 1721723

• References
• Source

• Patent Number

  1,721,723

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1929
  95 years ago

• CPC

  • B25B27/26 - compressing the springs
  • Y10T29/53574 - Parallel or tong type, side entrance

• US Classifications

  • 029 - Metal working