Here's a little history of intel processors and the clobe was successfully extracted
Intel processor series starting with MCS4 which is the forerunner of the i4040 processor. 4-bit processor is planned to be a brain calculator, the same year (1971), Intel makes revisions to the i440. Initially ordered by a Japanese company for the manufacture of calculators, it is far more powerful processors than expected so that Intel bought the rights to the Japanese company for development and further research. This is where the precursor to the development towards a computer processor.