3551921

Information

• Patent Grant
• 3551921

• References
• Source

• Patent Number

  3,551,921

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1971
  54 years ago

• CPC

  • E03C1/23 - with mechanical closure mechanisms
  • E03C2001/2317 - transmission of actuation force involves a spring
  • Y10T74/18864 - Snap action
  • Y10T74/18872 - Plate spring
  • Y10T74/18904 - Plate spring

• US Classifications

  • 004 - Baths, closets, sinks, and spittoons
  • 074 - Machine element or mechanism
  • 267 - Spring devices