The indication Ax has different meanings in different countries:

http://www.delphion.com/help/kindcodes



On Tue, Oct 2, 2012 at 4:51 PM, Jed Rothwell <[email protected]> wrote:
> David French says:
>
> "This is a great list!  But please note, any document with a serial number
> that ends with "A" is merely an application.  Anyone can file an application
> and say virtually anything. The story contained in an application is not
> necessarily true.
>
> The ones that end with "B" are issued patents.  Unfortunately, you cannot
> count on them being true either.  Only in rare cases will the Patent Office
> put an applicant through the hoops of proving that the story set-out in the
> application disclosure is true. . . ."
>
> - Jed
>

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