1898907

Information

• Patent Grant
• 1898907

• References
• Source

• Patent Number

  1,898,907

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1933
  91 years ago

• CPC

  • F16B41/005 - Measures against unauthorised operation of bolts, nuts or pins
  • F16B39/32 - Locking by means of a pawl or pawl-like tongue
  • Y10S411/953 - Washer-carried pawl
  • Y10S411/955 - Locked bolthead or nut
  • Y10S411/961 - Pawl and ratchet
  • Y10S411/978 - Pawl and ratchet
  • Y10T292/51 - Seal bolts

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 040 - Card, picture, or sign exhibiting
  • 292 - Closure fasteners