@orb85750
I just found this from lawmart.com:
"The copyright protects the form of expression rather than the subject matter of the writing. For example, a description of a machine could be copyrighted, but this would only prevent others from copying the description; it would not prevent others from writing a description of their own or from making and using the machine."
So anyone could make the chip based on your design (if it's not patented) and sell the resulting product without owing you any royalty. Your copyright protects you against someone else publishing your work, but not against someone producing the product you designed. Only a patent protects you there. (And the maximum patent lifetime is 20 years.)
You're confusing patents and copyright, and making incorrect conclusions.
If someone was to produce clones, they need to produce their replacement content. They cannot use the original content (or "form") in the chips.
Example: To produce kickstart replacement you are allowed to use the Autodocs and other documentation about the functionality as a base of your clone, even though the autodocs and documentation themselves
are copyrighted (obviously you cannot use any of that copyrighted material directly, but the knowledge you gain from the docs is not copyrighted. This is what the original quote of "For example, a description of a machine could be copyrighted, but this would only prevent others from copying the description; it would not prevent others from writing a description of their own or from making and using the machine." means).
You're allowed to reverse engineer the original binary and produce a code that does the same (the limitations on reverse engineering depend on local law, EU has less restrictions than USA for example).
Such reverse engineering was done while making MorphOS (and AROS).
Patents may prevent some things being cloned, however. For example MorphOS (and probably AROS, too) intuition didn't support toggling multiple menu items while the menu was open. This particular patent has expired now, and multiselection is possible in the latest MorphOS versions.