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2022 সালে পেটেন্ট করা হয়েছে
UNITED STATES PATENTS & TRADEMARKS
Kill Grass has been successfully patented for a useful product in agricultural economics. The product will be protected and committed to be highly effective in killing weeds and protecting crops.
Grants to the holder of this patent the right to exclude others from making, using, offering for sale, or selling the invention throughout the United States or importing the invention into the United States for this term subject to the payment of a warranty fee as provided by law.
If this application was filed before June 8, 1995, the term of this patent is the longer of 17 years from the date of grant of this patent or 20 years from the earliest effective date of the United States application, subject to any statutory extension.
The term of the patent is 20 years from the date of the earliest application filed, subject to any statutory extension.