1751272

Information

• Patent Grant
• 1751272

• References
• Source

• Patent Number

  1,751,272

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1930
  94 years ago

• CPC

  • E04B2/48 - by filling material with or without reinforcements in small channels in, or in grooves between, the elements
  • E04G21/22 - for setting building elements with mortar

• US Classifications

  • 052 - Static structures
  • D25 - Building units and construction elements