{"category":"invention","date":{"calendar":null,"day":21,"day_url":"https://kogda.com/21-fevralya","month":2,"text":"21 февраля 1842 года","year":1842,"year_url":"https://kogda.com/1842"},"id":119836,"kind":"event","library":[],"license":"Тексты: Русская Википедия, CC BY-SA 4.0. Люди и места: Wikidata, CC0.","mentions":[],"people":[],"places":[],"related":[],"slug":"dzhon-grinou-poluchil-pervyj-patent-ssha-na-shvejnuyu-1842","source":{"license":"CC BY-SA 4.0","name":"Русская Википедия","url":"https://ru.wikipedia.org/wiki/21_февраля"},"summary":null,"text":"","title":"Джон Гриноу получил первый патент США на швейную машину","url":"https://kogda.com/e/dzhon-grinou-poluchil-pervyj-patent-ssha-na-shvejnuyu-1842","weight":55}