1878688

Information

• Patent Grant
• 1878688

• References
• Source

• Patent Number

  1,878,688

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1932
  92 years ago

• CPC

  • E04C2/422 - with continuous bars connecting at crossing points of the grid pattern
  • Y10T409/50 - Planing

• US Classifications

  • 052 - Static structures
  • 409 - Gear cutting, milling, or planing
  • D05 - Textile or paper yard goods