1872522

Information

• Patent Grant
• 1872522

• References
• Source

• Patent Number

  1,872,522

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1932
  92 years ago

• CPC

  • B28D1/00 - Working stone or stone-like materials
  • B24B49/06 - requiring comparison of the workpiece with standard gauging plugs, rings or the like
  • E04B2002/026 - Splittable building elements
  • Y10S425/109 - Frangible connections

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 052 - Static structures
  • 425 - Plastic article or earthenware shaping or treating: apparatus