"patent" in inglés with examples - Collocation dictionary inglés
- In the mid-20th century the patent expired, and, with it, so did the most important protection.
- The critical patents expired in the late 1970s and early 1980s.
- The patent has expired and is now available for public use.
- The patent on that work expired at the end of 2004.
- The patent expired; and several companies are now making similar machines.
- This is no longer a problem, because the patents have expired, since then.
- The patent expired in 1773, though the partnership continued until 1781 when Need died.
- And when the company's patent expired, other companies could simply market the new use under a different name.
- It did not come into wide use until his patent expired in 1942.
- When his patents expired in 1990, several other companies joined the industry.
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