{"id":4761,"date":"2025-07-03T08:00:00","date_gmt":"2025-07-03T13:00:00","guid":{"rendered":"https:\/\/patents.harnessip.com\/?p=4761"},"modified":"2025-07-03T18:08:56","modified_gmt":"2025-07-03T23:08:56","slug":"july-3-2025","status":"publish","type":"post","link":"https:\/\/patents.harnessip.com\/?p=4761","title":{"rendered":"July 3, 2025"},"content":{"rendered":"\n<p>On July 3, 1984, U.S. Patent No. 4,457,509, issued to Jean St-Germain on a Levitationarium for Air Flotation of Humans<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/patents.harnessip.com\/wp-content\/uploads\/2025\/07\/image-4-scaled.png\"><img loading=\"lazy\" decoding=\"async\" width=\"699\" height=\"1024\" src=\"https:\/\/patents.harnessip.com\/wp-content\/uploads\/2025\/07\/image-4-699x1024.png\" alt=\"\" class=\"wp-image-4763\" srcset=\"https:\/\/patents.harnessip.com\/wp-content\/uploads\/2025\/07\/image-4-699x1024.png 699w, https:\/\/patents.harnessip.com\/wp-content\/uploads\/2025\/07\/image-4-205x300.png 205w, https:\/\/patents.harnessip.com\/wp-content\/uploads\/2025\/07\/image-4-768x1125.png 768w, https:\/\/patents.harnessip.com\/wp-content\/uploads\/2025\/07\/image-4-1048x1536.png 1048w, https:\/\/patents.harnessip.com\/wp-content\/uploads\/2025\/07\/image-4-1398x2048.png 1398w, https:\/\/patents.harnessip.com\/wp-content\/uploads\/2025\/07\/image-4-scaled.png 1747w\" sizes=\"auto, (max-width: 699px) 100vw, 699px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p>As the patent explains, &#8220;[t]his invention relates to an installation to levitate human beings by an upward flow of air, and in particular, to a levitationarium in which air flotation of humans is produced, either for the sole fun and enjoyment of users and spectators or for training, such as to practice free fall by parachutists.&#8221;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On July 3, 1984, U.S. Patent No. 4,457,509, issued to Jean St-Germain on a Levitationarium for Air Flotation of Humans As the patent explains, &#8220;[t]his invention relates to an installation to levitate human beings by an upward flow of air, &hellip; <a href=\"https:\/\/patents.harnessip.com\/?p=4761\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4761","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=\/wp\/v2\/posts\/4761","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4761"}],"version-history":[{"count":1,"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=\/wp\/v2\/posts\/4761\/revisions"}],"predecessor-version":[{"id":4764,"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=\/wp\/v2\/posts\/4761\/revisions\/4764"}],"wp:attachment":[{"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4761"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4761"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4761"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}