1638788

Information

• Patent Grant
• 1638788

• References
• Source

• Patent Number

  1,638,788

• Date Filed

  Not available

• Date Issued

  Tuesday, August 9, 1927
  97 years ago

• CPC

  • F16B39/128 - by means of eccentrical or spiral interengaging parts
  • Y10S411/931 - Superposed nuts

• US Classifications

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