2166588

Information

• Patent Grant
• 2166588

• References
• Source

• Patent Number

  2,166,588

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1939
  85 years ago

• CPC

  • E06B3/7017 - of grating type
  • E06B2003/7048 - with arcuate periphery; with openings having an arcuate periphery

• US Classifications

  • 052 - Static structures