3546831

Information

• Patent Grant
• 3546831

• References
• Source

• Patent Number

  3,546,831

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1970
  54 years ago

• CPC

  • E04B1/3522 - characterised by raising a structure and then adding structural elements under it
  • E04B1/34321 - mainly constituted by panels
  • E04B1/34336 - Structures movable as a whole
  • E04B7/14 - Suspended roofs
  • E04G21/16 - Tools or apparatus
  • E04H7/30 - mainly of metal
  • E04B2001/3588 - using special lifting or handling devices
  • Y10T29/49828 - Progressively advancing of work assembly station or assembled portion of work

• US Classifications

  • 052 - Static structures
  • 029 - Metal working