2135087

Information

• Patent Grant
• 2135087

• References
• Source

• Patent Number

  2,135,087

• Date Filed

  Not available

• Date Issued

  Tuesday, November 1, 1938
  86 years ago

• CPC

  • E01B29/28 - the fastening means being of screw-and-nut type Apparatus therefor, adapted to additionally drilling holes

• US Classifications

  • 104 - Railways
  • 033 - Geometrical instruments