3543921

Information

• Patent Grant
• 3543921

• References
• Source

• Patent Number

  3,543,921

• Date Filed

  Not available

• Date Issued

  Tuesday, December 1, 1970
  54 years ago

• CPC

  • F16F1/424 - of membrane-type springs
  • F16F2236/022 - of membrane-type springs

• US Classifications

  • 206 - Special receptacle or package
  • 220 - Receptacles