Ymani, MqD,
Do the first four numbers in the US patents designate the year of issuance?
In the General/Chat forum, on a thread titled Q ~ Trust Trump's Plan ~ 11/28/2022 Vol.439, Q Day 1849, WildHighlander57 wrote: Ymani, MqD,
Do the first four numbers in the US patents designate the year of issuance?
It doesn't look like it. At the link, a description of the format for a US Patent number.
https://www.uspto.gov/patents/apply/applying-online/patent-number