3881981

Information

• Patent Grant
• 3881981

• References
• Source

• Patent Number

  3,881,981

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1975
  49 years ago

• CPC

  • B28B19/0053 - to tiles, bricks or the like
  • E04C2/042 - Apparatus for handling the smaller elements or the hardenable material; bricklaying machines for prefabricated panels
  • E04G21/22 - for setting building elements with mortar
  • Y10T156/1089 - of discrete laminae to single face of additional lamina

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 052 - Static structures