I have designed and manufactured a sport goggle similar, but not identical to expired (or non-renewed) patent 4176410. My goggles have a different style, configuration (pointed edges vs squared), ...
Could any one tell iif the patent EP1355915 has already expired
WO and PCT patents do they have different jurisdictions ? If the WO patent has expired, can the PCT patent still be valid? If the PTC patent has expired, can the WO patent still be valid? WO ...
If an inventor submits an idea and it has been accepted, and he makes no tangible device (it remains intellectual rather than carried out). But then the inventor does not pay the maintenance fees, ...
My patent expired some years back. I was not knowledgeable as to how to market it back then. Could I create a new version of it and patent that? I know I could easily market it, as is, on Youtube now. ...