3769773

Information

• Patent Grant
• 3769773

• References
• Source

• Patent Number

  3,769,773

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1973
  51 years ago

• CPC

  • E06B1/56 - Fastening frames to the border of openings or to similar contiguous frames
  • E06B1/12 - Metal frames
  • E06B3/988 - specially adapted for sheet metal frame members with an open U-shaped cross-section

• US Classifications

  • 052 - Static structures
  • 049 - Movable or removable closures