1714988

Information

• Patent Grant
• 1714988

• References
• Source

• Patent Number

  1,714,988

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1929
  95 years ago

• CPC

  • B21C37/15 - Making tubes of special shape Making tube fittings
  • B21C37/155 - Making tubes with non circular section
  • B21D11/06 - Bending into helical or spiral form Forming a succession of return bends
  • G01D11/18 - Springs
  • G01L7/041 - Construction or mounting of deformable tubes

• US Classifications

  • 073 - Measuring and testing