1725243

Information

• Patent Grant
• 1725243

• References
• Source

• Patent Number

  1,725,243

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1929
  95 years ago

• CPC

  • C04B40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions
  • B28B11/00 - Apparatus or processes for treating or working the shaped or preshaped articles
  • B28B11/24 - for curing, setting or hardening
  • C04B28/141 - containing dihydrated gypsum before the final hardening step

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 264 - Plastic and nonmetallic article shaping or treating: processes