1818131

Information

• Patent Grant
• 1818131

• References
• Source

• Patent Number

  1,818,131

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1931
  93 years ago

• CPC

  • B06B3/00 - Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
  • Y10S200/09 - Momentum

• US Classifications

  • 464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts
  • 200 - Electricity: circuit makers and breakers
  • 369 - Dynamic information storage or retrieval