2136315

Information

• Patent Grant
• 2136315

• References
• Source

• Patent Number

  2,136,315

• Date Filed

  Not available

• Date Issued

  Tuesday, November 8, 1938
  86 years ago

• CPC

  • E01C23/124 - moved rectilinearly
  • B25D17/11 - Arrangements of noise-damping means
  • Y10S173/02 - Sound muffling
  • Y10T29/4589 - Blade or chisel

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 029 - Metal working
  • 173 - Tool driving or impacting
  • 175 - Boring or penetrating the earth
  • 181 - Acoustics
  • 404 - Road structure, process, or apparatus