2621990

Information

• Patent Grant
• 2621990

• References
• Source

• Patent Number

  2,621,990

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1952
  72 years ago

• CPC

  • F16J9/061 - using metallic coiled or blade springs
  • F16J9/145 - of spring expanders

• US Classifications

  • 277 - Seal for a joint or juncture