1438549

Information

• Patent Grant
• 1438549

• References
• Source

• Patent Number

  1,438,549

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1922
  102 years ago

• CPC

  • F16B21/16 - with grooves or notches in the pin or shaft
  • F16B21/10 - by separate parts
  • Y10T74/20768 - Engine starter type

• US Classifications

  • 074 - Machine element or mechanism
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener