2770043

Information

• Patent Grant
• 2770043

• References
• Source

• Patent Number

  2,770,043

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1956
  68 years ago

• CPC

  • E04F21/1838 - for setting a plurality of similar elements
  • G01B3/30 - Bars, blocks, or strips in which the distance between a pair of faces is fixed, although it may be preadjustable
  • Y10S33/20 - Tile

• US Classifications

  • 033 - Geometrical instruments