1917542

Information

• Patent Grant
• 1917542

• References
• Source

• Patent Number

  1,917,542

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1933
  91 years ago

• CPC

  • E04B9/06 - characterised by constructional features of the supporting construction
  • F01B25/00 - Regulating, controlling, or safety means
  • F01B2250/004 - Devices for draining or idling of steam cylinders or for uncoupling piston and connecting rod

• US Classifications

  • 181 - Acoustics