2988855

Information

• Patent Grant
• 2988855

• References
• Source

• Patent Number

  2,988,855

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1961
  63 years ago

• CPC

  • E04B1/415 - with captive and extendable anchoring parts
  • Y10S411/965 - with retainer
  • Y10S411/974 - Side lock
  • Y10S411/999 - with retainer

• US Classifications

  • 052 - Static structures
  • 238 - Railways: surface track
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener