3730509

Information

• Patent Grant
• 3730509

• References
• Source

• Patent Number

  3,730,509

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1973
  51 years ago

• CPC

  • F16F1/32 - Belleville-type springs
  • F16F1/26 - Attachments or mountings
  • F16F1/3605 - characterised by their material
  • F16F1/428 - of strip- or leg-type springs
  • F16F3/12 - the steel spring being in contact with the rubber spring
  • F16F2224/0241 - Fibre-reinforced plastics [FRP]
  • F16F2236/027 - of strip- or leg-type springs

• US Classifications

  • 267 - Spring devices