1431907

Information

• Patent Grant
• 1431907

• References
• Source

• Patent Number

  1,431,907

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1922
  102 years ago

• CPC

  • A47L9/0081 - Means for exhaust-air diffusion; Means for sound or vibration damping
  • A47L5/22 - with rotary fans
  • F04D29/66 - Combating cavitation, whirls, noise, vibration or the like Balancing
  • F16C17/08 - for supporting the end face of a shaft or other member
  • G10B3/02 - Blowers
  • G10F1/02 - Pianofortes with keyboard

• US Classifications

  • 417 - Pumps
  • 015 - Brushing, scrubbing, and general cleaning
  • 084 - Music
  • 181 - Acoustics
  • 310 - Electrical generator or motor structure