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Photometric method for grading beef

  • US 3,154,625 A
  • Filed: 01/03/1961
  • Issued: 10/27/1964
  • Est. Priority Date: 01/03/1961
  • Status: Expired due to Term
First Claim
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1. A METHOD OF GRADING MEAT BY COMPRISING THE FAT AREA AND MEAT AREA AT THE RIB EYE CUT OR LIKE CUT OF A CARCASS, BY OBSERVATION OF LIGHT REFLECTED FROM THE CUT AND INTO A PHOTOMETER WHICH IS ADAPTED TO REGISTER LIGHT REFLECTED FROM FAT BUT NOT TO REGISTER LIGHT REFLECTED FROM MUSCLE, INCLUDING THE STEPS OF SELECTING A CHARACTERISTIC SECTION OF THE RIB EYE CUT, COVERING THE MUSCLE PORTIONS OF THE CUT WITH A FAT COLORED PLATE, REFLECTING LIGHT FROM THE COVERED CUT AND INTO THE PHOTOMETER TO OBTAIN A READING OF THE REFLECTED LIGHT INTENSITY AND REMOVING THE COVER FROM THE MEAT PORTION THEREOF, WHEREBY TO OBTAIN A MODIFIED READING ON THE PHOTOMETER AND TO THEREBY ASCERTAIN THE PROPORTIONAL AREA OF FAT ABOUT THE RIB EYE MUSCLE TO THE AREA OF THE SECTION.

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