RADIO FREQUENCY IDENTIFICATION DEVICES TO BE ATTACHED TO GAS CYLINDERS FOR TRANSMITTING INFORMATION AND DATA ABOUT GAS CONTAINED IN THE CYLINDERS, IN THE NATURE OF, AND FOR USE EXCLUSIVELY IN MONITORING SYSTEMS FOR GAS CYLINDERS, INCORPORATING A BLINKING LIGHT VISUAL ALERT WHICH IDENTIFIES WHEN THE CONTENTS OF THE GAS CYLINDER ARE AVAILABLE FOR USE, WHEN THE CONTENTS ARE NEARING THE EXPIRATION DATE, AND WHEN THE CONTENTS SHOULD NOT BE USED BECAUSE THE CONTENTS ARE PASSED THE EXPIRATION DATE; MONITORING SYSTEMS FOR GAS CYLINDERS, INCORPORATING A BLINKING LIGHT VISUAL ALERT WHICH IDENTIFIES WHEN THE CONTENTS OF THE GAS CYLINDER ARE AVAILABLE FOR USE, WHEN THE CONTENTS ARE NEARING THE EXPIRATION DATE, AND WHEN THE CONTENTS SHOULD NOT BE USED BECAUSE THE CONTENTS ARE PASSED THE EXPIRATION DATE
Electrical and Scientific Apparatus