User:E W Hitchler

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Electric Brush

The point of this patent was to improve the electrical brush. They wanted the brush to be capable of operating at high current densities and high speeds with a reduction in the loss of amps as well as low noise. They wanted to reduce the mechanical load. They wanted to incorporate an electrical connection to stationary, moving, and rotating parts. They wanted to have the brush capable of being used with and without lubrication. They wanted to have a new method for the production of multifibers that will reduce friction and allow fibers to individually flex.


With the analysis of A. & P. Tea Co. v. Supermarket Corp. the first patent I found from my patent of the Electric Brush would be patentable. The patent is 3,357,824 for Copper Alloys. The Copper alloy has high conductivity and with such small and uniform grain size which gave it superior ductility. The invention is to improve the the copper base alloy to give it high ductility but still attaining high electrical/thermal conductivity and strength. The analysis of the A & P case was improving a system but the court said that this was just throwing a bunch of things that existed and lengthening the counter. While it sounds simple, this invention is very scientific and not just any person can add elements to the alloy to help increase the conductivity. I do feel that it might not satisfy the nonobviousness requirement of 35 USC 103. I do not think that any ordinary person would be able to this invention because the work is very technical. However, as our society has progressed the nonobviousness rule has changed. Obviously, not everyone can do something that someone else can do, so that is why i think that the nonobviousness rule has some give for certain situations.

With the analysis of A. & P. Tea Co. v. Supermarket Corp. the second patent I found from my patent of the Electric Brush would be patentable as well. The patent is 3,254,189 for Electrical Contact Members having a Plurality of Refractory Metal Fibers Embedded therein. The patent is similar to the other patent in the sense it is trying to improve something that already exists. Now the withe A & P case thats what the invention was, however, the inventor merely merged existing things together and then just lengthened the counter. That was a great idea to help things go faster, but I don't think that it was very novel. Then, sometimes there are lots of patents that are improving an existing idea already, so it is hard to determine what does count and what doesn't count. And with the nonobiviousness rule, it goes along with what I said for the earlier patent. I do not believe any regular person can come up with such an idea, but that is why the nonobviousness rule has evolved and has some give in my opinion.