2578240

Information

• Patent Grant
• 2578240

• References
• Source

• Patent Number

  2,578,240

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1951
  73 years ago

• CPC

  • E06B3/7017 - of grating type
  • E04F21/0007 - for mounting doors, windows or frames; their fitting
  • E06B2003/7063 - reinforced; in combination with other materials

• US Classifications

  • 052 - Static structures