3445978

Information

• Patent Grant
• 3445978

• References
• Source

• Patent Number

  3,445,978

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1969
  55 years ago

• CPC

  • E06B3/5828 - on or with auxiliary pieces
  • E06B3/5835 - together with parts of the border in the same undercut groove in the frame
  • E06B3/60 - of clamping cleats of metal

• US Classifications

  • 052 - Static structures