It seems like it's more an adapter to fit a UK-style plug into a socket that would usually only accept US-style power leads.
If you compare power adapters for laptops between the UK and the US, the UK adapters typically have a three-prong socket whereas the US ones have a two-prong socket. This patent seems to cover a UK plug that fits a US power adapter socket.
The two-prong C7 is fairly common in the UK as well. This design patent doesn't have to be innovative as it only protects the look, but still, it's just a standard C7 plug connected to a standard UK plug.
If they've patented this I assume they've patented all the other global plugs that can be attached too.
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[ 2.7 ms ] story [ 18.4 ms ] threadIf you compare power adapters for laptops between the UK and the US, the UK adapters typically have a three-prong socket whereas the US ones have a two-prong socket. This patent seems to cover a UK plug that fits a US power adapter socket.
If they've patented this I assume they've patented all the other global plugs that can be attached too.