[Stoves] Patents

[Steve Taylor]

On 3 September 2011 05:33, Crispin Pemberton-Pigott <crispinpigott at gmail.com
> wrote:

> I frequently put good design ideas on the record to prevent people
> patenting them. Many things should be available freely. Others are far
> better patented - things that need considerable investment to bring to
> market or perfect. Radical improvements are needed sometimes at great cost.
>
> Patents run out. No problem to wait.
>
>
Precisely.

The maximum period a maintained patent can last is 20 years.

Steve
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