1931899

Information

• Patent Grant
• 1931899

• References
• Source

• Patent Number

  1,931,899

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1933
  91 years ago

• CPC

  • F16B37/14 - Cap nuts Nut caps or bolt caps
  • F16B21/09 - Releasable fastening devices with a stud engaging a keyhole slot
  • F16B43/003 - with a special hole shape in order to allow a quick mounting or dismounting of the washer
  • Y10S411/993 - Bolthead- or nut-held
  • Y10T24/3626 - Sliding bar

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 024 - Buckles, buttons, clasps, etc.