3855920

Information

• Patent Grant
• 3855920

• References
• Source

• Patent Number

  3,855,920

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1974
  50 years ago

• CPC

  • F16P1/00 - Safety devices independent of the control and operation of any machine
  • B30B15/28 - Arrangements for preventing distortion of, or damage to, presses or parts thereof
  • B30B15/287 - preventing unintended ram movement

• US Classifications

  • 100 - Presses
  • 192 - Clutches and power-stop control
  • 425 - Plastic article or earthenware shaping or treating: apparatus