3457938

Information

• Patent Grant
• 3457938

• References
• Source

• Patent Number

  3,457,938

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1969
  55 years ago

• CPC

  • G10G7/02 - Tuning forks or like devices
  • B06B1/20 - making use of a vibrating fluid
  • F02C9/28 - Regulating systems responsive to plant or ambient parameters
  • F15B21/12 - Fluid oscillators or pulse generators
  • F15C1/08 - Boundary-layer devices
  • F15C3/16 - Oscillators
  • Y10T137/2278 - Pressure modulating relays or followers
  • Y10T137/86413 - Self-cycling

• US Classifications

  • 137 - Fluid handling
  • 984 - Musical instruments