Atkinson is an English-language surname. The name is derived from a patronymic form of the Middle English Atkin.
These are much more conservative than state laws, in general (for instance, everyone should be in a booster seat from about age 4 to at least age 8) but remain less conservative than some of the european standards (for instance, the European Child Safety Alliance recommends that children remain in rear-facing carseats until 3 years of age).
A parent has a 2-year-old in the clinic for a well-child checkup. We stopped using the car seat now that my child is older.. A car seat should be used until the child weighs 40 pounds, at approximately 4 years of age. After that point, a booster seat that complies with federal safety guidelines should be used.