Subject:
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Re: Train building contest
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Newsgroups:
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lugnet.build, lugnet.trains
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Date:
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Thu, 15 Feb 2001 18:44:55 GMT
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Viewed:
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779 times
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James Powell wrote:
>
> (for example, take the Shay drive train, if
> > that was still protected by patent, a model which duplicated that drive [of
> > which the MDC Shay is the ONLY commercial Shay model I am aware of which
> > DOESN'T use the sidewinder drive train to deliver power from the motor to the
> > wheels] would likely run into a patent or two or three).
>
> Not in this case. The patent expired in 1922, so it is not a problem to
> blatently rip off the ideas.
My example was hypothetical. I figured it was a pretty good bet the
patents had expired. It was just an example of something where I
strongly suspect that there were patents which would have been
applicable to models.
--
Frank Filz
-----------------------------
Work: mailto:ffilz@us.ibm.com (business only please)
Home: mailto:ffilz@mindspring.com
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Message has 1 Reply:
 | | Re: Train building contest
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| (...) The reason why I knew about that one is that Willimette built rip offs of Shay's (called the West Coast Shay) starting in 22. Most anything to do with steam has passed the 50 year mark on the patents, and a lot of it has passed the 70 year (...) (24 years ago, 15-Feb-01, to lugnet.build, lugnet.trains)
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Message is in Reply To:
| | Re: Train building contest
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| (for example, take the Shay drive train, if (...) Not in this case. The patent expired in 1922, so it is not a problem to blatently rip off the ideas. I believe even the Doble Steam car patents are now public domain, at least in the UK...and they (...) (24 years ago, 15-Feb-01, to lugnet.build, lugnet.trains)
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