2302487

Information

• Patent Grant
• 2302487

• References
• Source

• Patent Number

  2,302,487

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1942
  82 years ago

• CPC

  • E06B3/7017 - of grating type
  • E06B2003/7094 - with ventilated innerspace

• US Classifications

  • 052 - Static structures