Re: [TowerTalk] Tower Jack?

[K8RI <K8RI-on-TowerTalk@tm.net>]

On 6/14/2013 3:55 PM, Larry wrote:
> Patents are renewable if I recall. I don't know if they changed when
> they changed trademarks. Trademarks are good as long as the owner is
> still alive and other rules (used to be 28 years and renewable once). I
> have lost touch with the IP law stuff.
Too bad they changed the patent laws as I've been using the tower clamo 
for nearly 30 years and figured any one who wanted to builfd one could. 
 Actually a patent doesn't prevent you from building one for your self 
to use.
73

Roger (K8R/I)


> 73, Larry  W6NWS
>
> -----Original Message----- From: Drax Felton
> Sent: Friday, June 14, 2013 12:00 PM
> To: Jon Pearl - W4ABC
> Cc: towertalk@contesting.com ; Jim Lux
> Subject: Re: [TowerTalk] Tower Jack?
>
> Patents are only good for 18 years.  Surely this thing is out by now.
>
>
> Sent from my iPhone
>
> On Jun 14, 2013, at 11:00 AM, Jon Pearl - W4ABC
> <jonpearl@tampabay.rr.com> wrote:
>
> > On 6/14/2013 10:23 AM, Jim Lux wrote:
> > > Is it patented? Or require some unusual fabrication?
> > Apparently it's patented: http://www.superiormusic.com/towerjack.htm
> >
> > *NOTICE !! /Tower Jack/ Products are patented under several United
> > States patents.
> > Manufacturing and selling of these products by anyone other than
> > Tower Jack Products of Mt. Juliet, TN is _strictly illegal_.*
> >
> > I actually found a larger 'entire' picture on fleabay:
> > http://www.ebay.com/itm/Rohn-type-tower-install-removal-tool-leg-alignment-jack-heavy-duty-radio-ham-/271216494401
> >
> >
> > > From the pictures I've seen, it seems that almost any metal
> > > fabrication shop could crank them out. Maybe not for the same price,
> > > but it sure doesn't look like it would be hard to make them.
> > One would guess that if your intention is not to sell them, you could
> > 'one-off' a copy.
> >
> >
> > 73,
> >
> >
> > Jon Pearl - W4ABC
> > www.w4abc.com
> > >
> > _______________________________________________
> >
> >
> >
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