1837810

Information

• Patent Grant
• 1837810

• References
• Source

• Patent Number

  1,837,810

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1931
  93 years ago

• CPC

  • A45C11/324 - with pivoting keys
  • A45C11/321 - combined with other articles
  • Y10S411/978 - Pawl and ratchet
  • Y10T70/8676 - Key holders

• US Classifications

  • 070 - Locks
  • 206 - Special receptacle or package
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener