Author Topic: Tube vs. Strumpet  (Read 563 times)

hunter22

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Tube vs. Strumpet
« on: June 26, 2013, 09:01:40 AM »
I found an interesting read on Custom Calls Online. It seems this debate has been going on awhile. It seems to me and others that some members have taken a 180 degree turn from where they were back then. Go to the website Custom Calls Online, look in the section "Turkey Tube & Hybrid Calls", and search "Soft Sell Wingtube." Some people there thought that any long tube call violated the Cornbread patent and some people thought that any bell on the end of a tube call violated it. And some even questioned the patent itself.

I am fortunate to have a strumpet made by Cornbread and also some long tube calls with a bell on the end of them. I just do not see where they are the same but what do I know, I am just a turkey hunter who enjoys nice hunting calls.  
« Last Edit: June 26, 2013, 10:02:19 AM by hunter22 »

Offline Shadetree Callers

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Re: Tube vs. Strumpet
« Reply #1 on: June 26, 2013, 10:12:56 AM »
I'm not gonna debate the differences in a tube call and a strumpet simply because imo they have many differences. I have been through the patent filing process twice and i can assure you that the flared bell or the length of the call are not specific enough to infringe on the strumpet. The two products have to be identical in construction and design. That is why designers change the minutest part of a design to enable something to pass the patent requirements set. Cornbread didn't invent the trumpet call or the tube call . He built the strumpet which is a combination made from the two call designs. A long barrelled tube call with a flared end, straight barrel and large internals would not come close to patent infringement against the strumpet. In my opinion the two calls are no more similiar than a Lynch laminated boxcall and a Cost style hewn out box. They might look similiar but are far different in many ways.
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Offline Houndstooth Game Calls

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Re: Tube vs. Strumpet
« Reply #2 on: June 26, 2013, 10:58:50 PM »
I have made long tubes, short tubes, funny looking tubes, deer horn tubes, flared tubes!! It's call making I let the hand and mind go!! I would hate to lift the hood on these pots and see how many are pretty darn close to the same but were never intended to be.. Curious to know exactly what can be patented in a wooden game call to me it would be hard to do and costly because you would have to cover so many provisions of it you would be broke in doing it... I have a friend that builds pots on a Cnc he said accuracy is .003 simply by sending the pots to a customer accuracy goes to .015 different humidities change that mark.. I also think if ya could patent a wooden game call or pot design why don't these large companies do it out of curiosity?? Seems like it would be hard to patent a handcrafted call I don't know and don't mean any harm just curious of all of it.. I tried to find the patent on it to actually see what it described but couldn't and couldn't find a number for it.. Wonder why Rnt and Echo didn't patent there tone boards especially echo it seems to be the most copied. Dosent make sense to me but there is most definitely a reason I am sure...

hunter22

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Re: Tube vs. Strumpet
« Reply #3 on: June 27, 2013, 08:33:43 AM »
Houndstooth,

Welcome to the site. There are a lot of great callmakers here. You will fit right in.

I have wondered how box call makers could make their calls without infringing on somebody. After all, the box call was patented in 1897 by Henry Gipson. Let’s face it, most short box calls look just like one made by Neil Cost, Lamar Williams, or Albert Paul. Or at least they do to me. There are some that definitely stand out as different such as boxes made by Irving Whitt, Richard Hudson, Marlin Watkins, and John Eddleman. And the design on some of the calls made by the Clark’s, Tom Laska, Todd Self, Tim Clayton, Scott Witter and others set them apart. Some callmakers such as Darrin Dawkins and Bob Harwell make their short boxes smaller than most. I can look at calls made by the folks mentioned above from a distance and know who made them. Their styles stand out. But for the most part the callmakers all make short boxes that look alike. But yet you hear very little complaining about somebody copying another person’s design. I was enlightened by a forum member as to how the calls could be made alike without somebody screaming patent infringement. I am sure most on here already knew that answer.    

« Last Edit: June 27, 2013, 03:10:14 PM by hunter22 »

Offline Houndstooth Game Calls

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Re: Tube vs. Strumpet
« Reply #4 on: June 27, 2013, 09:49:48 AM »
There are only so many radius's that will let a call run to its potential pot pedestals, tone boards, sound boards on boxes. If they aren't shaped with in a certain parameter the call is firewood.. These are my opinions not claiming to be a expert but I have worked on calls enough to feel that's a credible explanation.. Meaning that most calls end up with real close tolerances so a patent would be more than likely would be hard to achieve..But anyway I what do I know! lol good day!!

Offline GR8CALLS

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Re: Tube vs. Strumpet
« Reply #5 on: June 27, 2013, 01:50:58 PM »
Bob

Seems, that some are conflating, "patent" with 'design patent". They, are not the same.

Here is the "design patent" # for Craig's call. If you notice, there are 22 additional "patents and or design patents" used as references for his call. Each individual reference, also has additional reference patents, per the individual patent, covering literally, every option for an air driven call. Anyone interested in the actual  "external" dimensions specs for the call can down load a special program, to view the several pages of drawings.

D552,502

Bill
« Last Edit: June 27, 2013, 02:42:03 PM by GR8CALLS »
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