1989419

Information

• Patent Grant
• 1989419

• References
• Source

• Patent Number

  1,989,419

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1935
  89 years ago

• CPC

  • E05B43/00 - Time locks
  • Y10S70/48 - Fluid pressure lock
  • Y10T70/7006 - Predetermined time interval controlled

• US Classifications

  • 070 - Locks