This script was not used after the destruction of Ugarit in 1178 BCE.The Proto-Sinaitic script eventually developed into the Phoenician alphabet, conventionally called "Proto-Canaanite" before  1050 BCE.
ðɪs skɹˈɪpt wʌz nˌɑːt jˈuːzd ˈæftɚ ðə dᵻstɹˈʌkʃən ʌv jˈuːɡɑːɹɹˌɪt ɪn wˈʌn θˈaʊzənd wˈʌnhˈʌndɹɪd sˈɛvənti ˈeɪt bˌiːsˌiːˈiː.ðə pɹˈoʊɾoʊsɪnˈeɪɾɪk skɹˈɪpt ᵻvˈɛntʃuːəli dɪvˈɛləpt ˌɪntʊ ðə foʊnˈɪʃən ˈælfəbˌɛt, kənvˈɛnʃənəli kˈɔːld "pɹˈoʊɾoʊkˈænɑːnˌaɪt" bᵻfˌoːɹ wˈʌn θˈaʊzənd fˈɪfti bˌiːsˌiːˈiː.