do spyderco have the rights to the spyderhole? how about thumbstud, disks, nail nics?

sogflash

sogflash

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I have nothing bad to say about spyderco, nor their spyderhole, but do they have the rights to it? so that if other knife makers use it they need to clearify it with spyderco first? I've heard that spyderco didn't like it when benchmade used the spyderhole on their knives.

but how about thumb stud, nail nicks, thumb disks? do do emerson have the rights to the wave on top of their blades?

I'm just wondering if someone could hold the rights to a cutout or modification on a blade?

again I'm not saying anything bad about the mentioned knives?
 
Emerson have the rights to the 'Emerson Wave' as a patent.
Spyderco have the rights to the 'Spyder Hole' as a trademark.

All the rest are lost in time, as this thread should be.
 
The round opening hole is a registered trademark of Spyderco, Inc. So is the comet-shaped hole on the Byrd knives. At one time Sal Glesser held a patent on "a depression in the blade of a folding knife placed to facilitate one hand opening with the tip of the thumb" but that patent ran out years ago. Ernest Emerson still holds a patent on the wave. I believe the thumb disk was patented and may still be.Thumb studs and nail nicks have been around long enough for any patents to have run out long ago, and I am not aware of anyone registering either as their trademark.
 
There is nothing wrong with being curious and asking a question. The spyder hole sure does get people worked up.

I think at one time Spyderco had a patent on the hole and it ran out so they trademarked it. I could be wrong about the patent part. I do know Benchmade and Spyderco have an agreement that let's BM use the hole, but no one knows the details.

The wave is patented but I guess the disk cold steel uses gets around it. I don't think there are any rights on the thumb stud or nail nick.
 
FlaMtnBkr said:
There is nothing wrong with being curious and asking a question. The spyder hole sure does get people worked up.

I think at one time Spyderco had a patent on the hole and it ran out so they trademarked it. I could be wrong about the patent part. I do know Benchmade and Spyderco have an agreement that let's BM use the hole, but no one knows the details.

The wave is patented but I guess the disk cold steel uses gets around it. I don't think there are any rights on the thumb stud or nail nick.
Click to expand...

as said above...sal and les are drinking buddies.
 
The wave is Emerson's patent, and the raised thumb plate that can be used as a wave is Andrew Demko's patent.

I'm not sure about the hole; I know Spyderco makes it their trademark, but I see a lot of knives besides Benchmade use it too. I know that their claim to the opening hole also didn't hold up in court. Can anyone clarify the use of the opening hole by other companies? Do they pay Spyderco royalties like Spyderco does for the wave, or can they just get away with it?
 
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