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Mars II reamer Stop, Best purchase!

Agreed. This is a very simple part to make if you own a lathe. Honestly, I do not believe the demand would be there to go into production on a large scale. Maybe I will be surprised! Lol.
Paul
Yep, and not much profit compared to other parts that could be made in that time. I have one machine that could make 22 sets of the Mars per day, and then they would have to be marked and packaged. Not much left on the table after that. If I were to be asked to make a batch of them, I would want at least 700 sets, and I bet there are not 5% of that sold each year.
 
Doesn't PT&G still hold the patent? They're easy to make for personal use but I think they might frown on commercial copying.

https://pacifictoolandgauge.com/rea...icro-adjustable-reamer-stop-kit-mars-kit.html
Nat designed it and I always assumed it was he that would be applying for the patent. I’d bet neither did and use the “patent applied for” as a ruse to discourage copycats. PTG basically took it from Nat anyway. Nat has stated they made the original deal on a handshake and when things went south PTG told him to pound sand. At that point Nat improved the design slightly and went on his own.

Edit: I find no patents for Kiff or Lambeth or PTG or Custom Guns. Doesn’t mean there isn’t one I just didn’t find anything.
 
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No PTG stole the design besides that there only needs to be a 10 percent change in the design that could be a small grove or just the finish of the metal. Just like a knock off ping golf club same club head same weight just a different finish on the club head.
 
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i would be in on one if someone would resurrect making them again??? Or if someone wants to get rid of one on the shelf???
Might be handy for Mr. Snyder to get a figure if he could gauge some interest for the group???
stan
 
Honestly, I'm not sure you could patent that. It's too basic. The concept has been used on multiple applications. Like trying to patent a nut.

My ex roommate was a patent attorney. Not everything gets a patent by any stretch. And even if the design were patented, chances are it is expired.
 
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The larger collars, have holes in them for pressure flush systems... Make sure those are pointed down. Or not, enjoy the fountain :p
 
I'm thinking of making one of these for myself. I have never physically looked at one or used one. Are the different length sections just for different length reamers? I don't quite understand why there's so many pieces to it.
 
Are the different length sections just for different length reamers?
Yes. Varying length cartridges ground on similar length reamer blanks can end up needing different length stop bodies. I’ve never used all of the bodies, mostly two of them I’d say.

If I read the description for the new JGS stop it will have different length options as well. It seems they will do that on the front insert instead of the back. Seems a better and quicker solution but it looks to be only compatible with their floating holder.
 
Yes. Varying length cartridges ground on similar length reamer blanks can end up needing different length stop bodies. I’ve never used all of the bodies, mostly two of them I’d say.

If I read the description for the new JGS stop it will have different length options as well. It seems they will do that on the front insert instead of the back. Seems a better and quicker solution but it looks to be only compatible with their floating holder.
That's kinda what I figured. Thank you for clarifying!
 
So Bill,
Is this basically what you have in your package from Nat that he no longer makes?????
Looks like the same items posted by ljmontano above?????
Stan
 

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So Bill,
Is this basically what you have in your package from Nat that he no longer makes?????
Looks like the same items posted by ljmontano above?????
Stan
Yes. Mine are the early version without the drain ports in the longer bodies for the flush systems. I don't think Kiff ever put them in theirs that they continue to sell but I could be wrong.
 

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