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  1. #1
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    OMC 3 & 4 HP Weedless Gearcase

    Anybody know the story behind how this gearcase was developed, designed and put into production? Shear genius and isn't even used in production today. I hope BRP retained the patent on this one. I have a rack of 4 hp Evinrudes in my barn with these gearcases. Wouldn't trade any of them...........even for a fuel injected 6 inch mid section V8 Evinrude!

  2. #2
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    Annapolis, MD ragboat capital of the world
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    Under the Bern Convention for patent laws, they only last 17 years now including multiple extensions that must be filed to reach the full 17.

  3. #3
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    Quote Originally Posted by Mark75H View Post
    Under the Bern Convention for patent laws, they only last 17 years now including multiple extensions that must be filed to reach the full 17.
    You trademark all the names, then it runs for a loong time.

  4. #4
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    The name is protected, like "Jeep" and "4 Wheel Drive" but not the engineering concept. Look at all of the all wheel drive vehicles now on the road

  5. #5
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    We have a 1954 3 HP Evinrude as a heirloom. It certainly won’t work as an outboard anymore. 3 generations put a ton of use on it. But eventually I got tired of fixing it and rowing home. It was a huge part of my youth and worked great for a long time

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