2753833

Information

• Patent Grant
• 2753833

• References
• Source

• Patent Number

  2,753,833

• Date Filed

  Not available

• Date Issued

  Tuesday, July 10, 1956
  68 years ago

• CPC

  • E21B1/00 - Percussion drilling
  • Y10S116/33 - Indicator for elevated cables

• US Classifications

  • 116 - Signals and indicators
  • 033 - Geometrical instruments
  • 057 - Textiles: spinning, twisting, and twining
  • 087 - Textiles: braiding, netting, and lace making