An ingrown toenail is a toenail that has grown into the skin instead of over it. This usually happens to the big toe, but it can also happen to other toes. An ingrown toenail can get infected. It may be painful, red, and swollen, and it may drain pus.See a picture of an ingrown toenail.Anyone can get an ingrown toenail, but adults get them more than children do.he main symptom of an ingrown toenail is the pain from the nail growing into the skin instead of over it. If the ingrown toenail gets infected, it might be swollen or red, and it might drain pus.
As you can imagine, these conferences are filled with great unusual statistics; one of which is the number of US patents that are currently âin force.â In other words, of the millions of US patents that have issued, how many are currently enforceable? (i.e. in term and have had the requisite maintenance fees paid). Today I learned that the number of US patents in force is approximately 1.7 million! Thus, you only have to worry about infringing a possible 1.7 patents.
Return to top. A patent is the government grant of monopoly on an invention for a limited amount of time. Patents in the United States are granted for seventeen years from the date the patent is issued or for 20 years from the date of filing.Other countries grant patents for similar time periods.atents in the United States are granted for seventeen years from the date the patent is issued or for 20 years from the date of filing. Other countries grant patents for similar time periods.