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 16:18:56 GMT
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Viewed:
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741 times
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(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. I believe even the Doble Steam car patents are
now public domain, at least in the UK...and they were amongst the last real
innovative patents issued for steam railway engines. (yes, 3 min to running
was possible with steam, but it requres a fiendishly complex control system,
and oil firing).
James
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Message has 1 Reply:
 | | Re: Train building contest
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| (...) 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. (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 non-commercial uses, there doesn't seem to be a real problem. I think the railroad companies are pretty amenable (after all, it's really an honor to be modeled). I have no idea what the commercial companies do for the decals or lettered (...) (24 years ago, 15-Feb-01, to lugnet.build, lugnet.trains)
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