adjective. (of devices and processes) not protected by patent.
- patented (English)
- un- (English)
- on- (Middle English (1100-1500))
Example sentences of the word unpatented
If all you have is an unpatented claim, the feds will not be happy if you make a permanent home on the surface.
2. Verb, past participle
Manufacturers modified the Pennsylvania Fireplace’s design, which Franklin chose to leave unpatented, by adding a flat surface for cooking on top of the fire box.