3522949

Information

• Patent Grant
• 3522949

• References
• Source

• Patent Number

  3,522,949

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1970
  54 years ago

• CPC

  • F16J9/066 - Spring expander from sheet metal
  • F16J9/069 - with a "C"-shaped cross section along the entire circumference
  • F16J9/145 - of spring expanders

• US Classifications

  • 277 - Seal for a joint or juncture
  • 267 - Spring devices