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Load indicator

  • US 3,190,383 A
  • Filed: 01/13/1964
  • Issued: 06/22/1965
  • Est. Priority Date: 01/13/1964
  • Status: Expired due to Term
First Claim
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1. IN A VEHICLE HAVING A STATIONARY PORTION AND RELATIVELY MOVABLE PORTION UNDER LOAD, A LOAD INDICATOR DEVICE, COMPRISING PORTIONS, ONE OF SAID ELEMENT MOUNTED ON THE RESPECTIVE PORTIONS, ONE OF SAID ELEMENT BEING DISPLACEABLE RELATIVE TO THE OTHER IN RSPONSE TO LOADING OF SAID VEHICLE, ONE OF SAID INDICATOR ELEMENTS HAVING LUMINESCENT PROPERTIES TO RENDER THE SAME VISIBLE IN DARKNESS WHEN LIGHT IS DIRECTED THEREON, AND THE OTHER OF SAID ELEMENTS COMPRISING SHIELD MEANS POSITIONED TO PREVENT IMPINGEMENT OF LIGHT RAYS ON SAID ONE ELEMENT WHEN SAID VEHICLE IS UNLOADED CONDITION.

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