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Where are the Rickenbacker patents?
Posted: Mon Mar 12, 2012 12:05 am
by egosheep
I have fun sometimes browsing through various guitar patents on either the official patent registry or a google patent search. There's some cool Fender and Gibson stuff, as well as no-name random tremolo, bridge and body designs. I don't see many RIC patents though, besides the original George Beauchamp frying pan one. I'm sure they're out there as a matter of public record, but I'm not looking in the right place. Can anyone point me in the right direction?
Re: Where are the Rickenbacker patents?
Posted: Mon Mar 12, 2012 4:26 pm
by egosheep
Re: Where are the Rickenbacker patents?
Posted: Mon Mar 12, 2012 4:39 pm
by jingle_jangle
They're not mechanical patents, except for a very few like the Frying Pan.
Re: Where are the Rickenbacker patents?
Posted: Mon Mar 12, 2012 5:10 pm
by egosheep
jingle_jangle wrote:They're not mechanical patents, except for a very few like the Frying Pan.
Oh, I see... so they aren't public? Thanks for clarifying, Paul.

Re: Where are the Rickenbacker patents?
Posted: Mon Mar 12, 2012 6:38 pm
by jingle_jangle
Trade dress registration is in the public record. Google is your friend, despite what your lawyer may say...
Re: Where are the Rickenbacker patents?
Posted: Tue Mar 13, 2012 1:31 am
by doctorwho
The early patents were assigned to Electro Strings, so the term "Rickenbacker" would not be associated with them.
Re: Where are the Rickenbacker patents?
Posted: Tue Mar 13, 2012 4:32 am
by egosheep
Re: Where are the Rickenbacker patents?
Posted: Tue Mar 13, 2012 5:02 am
by kiramdear
Great thread!

Re: Where are the Rickenbacker patents?
Posted: Tue Mar 13, 2012 11:38 pm
by doctorwho
The "banjo" cited is actually the Bantar. Cool!

Re: Where are the Rickenbacker patents?
Posted: Wed Mar 14, 2012 11:08 am
by johnhall
There's quite a few more but you'd need the inventor's names to find them. Rickenbacker has generally allowed patents to be held by the employee that created the invention.
However, in recent years our opinion (yes, opinion . . .) is that most patents aren't worth the paper they're printed on. A trademark is much more valuable and long lived and much of what we do can be covered better with a trademark, or even a copyright.
My opinion would probably be different if we worked in a high tech industry- but most of our amps are still tube powered . . .
Re: Where are the Rickenbacker patents?
Posted: Wed Mar 14, 2012 3:16 pm
by egosheep
Thanks John. Per your suggestion, I also found this one(looks like an archtop horseshoe) filed under Barth's name:
http://www.google.com/patents/US2310606
Re: Where are the Rickenbacker patents?
Posted: Wed Mar 14, 2012 5:17 pm
by johnhall
Hint: try Clayton Kauffman
Don't forget he worked for ESIC long before he worked for Fender.
Re: Where are the Rickenbacker patents?
Posted: Wed Mar 14, 2012 8:30 pm
by egosheep
Thanks John, I forgot about Kauffman.
This one is cool, it has a motor-driven Kauffman vibrola, with all the motorized parts contained inside the lap steel.
http://www.google.com/patents/US2241911
Also here is the full frying pan patent, I only posted the first sheet before:
http://www.google.com/patents/US2089171
There's also the Kauffman
dishwasher.
