3820298

Information

• Patent Grant
• 3820298

• References
• Source

• Patent Number

  3,820,298

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • E06B3/5481 - by means of discrete fixing elements
  • A47G1/0605 - made from extruded or moulded profiles
  • E06B3/22 - Hollow frames
  • E06B3/9612 - by filling in situ the hollow ends of the abutted frame members with a hardenable substance
  • Y10T403/473 - Socket or open cup for bonding material

• US Classifications

  • 052 - Static structures
  • 040 - Card, picture, or sign exhibiting
  • 403 - Joints and connections