None of the links on that page work, so without knowing what specific
Patents
they are alluding to, one cannot tell.
In any case, any and all of their Patents may have expired.
73, Dick, W1KSZ
On Fri, Jun 14, 2013 at 5:26 PM, <john@kk9a.com> wrote:
> This website claims that there are several patents.
> http://www.superiormusic.com/towerjack.htm . I would be cautious about
> copying and selling it however it looks like it would be easy and
> inexpensive to build one for your own use. Superiormusic has a number of
> items for sale on ebay, I am not sure how they are related to the tower
> jack
> product.
>
> John KK9A
>
>
> To:towertalk@contesting.com
> Subject:Re: [TowerTalk] Tower Jack?
> From:Jim Lux <jimlux@earthlink.net>
> Date:Fri, 14 Jun 2013 09:46:04 -0700
> List-post:<towertalk@contesting.com">mailto:towertalk@contesting.com>
>
> On 6/14/13 9:28 AM, Larry wrote:
>
> The doc doesn't say anything about patents. One device label says it is
> patented and the other said patent pending (I forget which said what). I
> bought mine in the early 1990's.
>
>
>
> In theory, you need to have the patent number on it if you claim patented,
> but there's plenty of examples where the mfr doesn't do that.
>
> It could be a design patent, too (they tend to be very narrow, but at least
> you can claim "patented").
> However, none of the easy searches turns up anything likely.
>
>
> If the patent issued in the mid 90s, then it would be expiring about now
> (assuming the patent holder has paid all the fees. otherwise it would have
> expired ealier)
>
> _______________________________________________
>
>
>
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