3438527

Information

• Patent Grant
• 3438527

• References
• Source

• Patent Number

  3,438,527

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1969
  56 years ago

• CPC

  • A47G21/18 - Drinking straws or the like
  • A47G2400/027 - Non-return valves
  • Y10S215/902 - Vent
  • Y10T137/7888 - With valve member flexing about securement

• US Classifications

  • 215 - Bottles and jars
  • 137 - Fluid handling
  • 239 - Fluid sprinkling, spraying, and diffusing
  • D07 - Equipment for preparing or serving food or drink not elsewhere specified