2889594

Information

• Patent Grant
• 2889594

• References
• Source

• Patent Number

  2,889,594

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1959
  65 years ago

• CPC

  • E06B3/7017 - of grating type
  • B27D1/06 - Manufacture of central layers Form of central layers
  • E06B2003/7094 - with ventilated innerspace
  • Y10T428/24182 - Inward from edge of web or sheet
  • Y10T428/24727 - with planar component

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 052 - Static structures