2638028

Information

• Patent Grant
• 2638028

• References
• Source

• Patent Number

  2,638,028

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1953
  71 years ago

• CPC

  • F16B21/12 - with locking-pins or split-pins thrust into holes
  • A47J36/40 - Leak-stopping devices for repairing cooking-vessels
  • F16L41/086 - fixed with screws
  • Y10S411/919 - Screw having driving contacts

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 220 - Receptacles