{"id":5205,"date":"2026-04-22T08:00:00","date_gmt":"2026-04-22T13:00:00","guid":{"rendered":"https:\/\/patents.harnessip.com\/?p=5205"},"modified":"2026-04-22T09:18:51","modified_gmt":"2026-04-22T14:18:51","slug":"april-22-2026-patent-of-the-day","status":"publish","type":"post","link":"https:\/\/patents.harnessip.com\/?p=5205","title":{"rendered":"April 22, 2026, Patent of the Day"},"content":{"rendered":"\n<p>On April 22, 1924, U.S. Patent No. 1,490,987 issued to Harry E. Soref on a lock casing:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/patents.harnessip.com\/wp-content\/uploads\/2026\/04\/image-1.png\"><img loading=\"lazy\" decoding=\"async\" width=\"533\" height=\"866\" src=\"https:\/\/patents.harnessip.com\/wp-content\/uploads\/2026\/04\/image-1.png\" alt=\"\" class=\"wp-image-5206\" srcset=\"https:\/\/patents.harnessip.com\/wp-content\/uploads\/2026\/04\/image-1.png 533w, https:\/\/patents.harnessip.com\/wp-content\/uploads\/2026\/04\/image-1-185x300.png 185w\" sizes=\"auto, (max-width: 533px) 100vw, 533px\" \/><\/a><\/figure>\n\n\n\n<p>Soref&#8217;s innovation was making the lock body from a plurality of steel laminations secured together with rivets &#8212; a construction still widely used 102 years later.<\/p>\n\n\n\n<p>Soref was born in 1887 Bilozirka, Ukraine, and emigrated to the U.S. where he worked as a lock smith.  When he was unable to find a taker for his lock design, he co-founded the Master Lock company with two friends &#8212; Samuel Stahl and Phillip E. Yolles, in Milwaukee, Wisconsin, to build his locks.  Mr. Soref held more than eighty patents for locks and lock-making machinery.<\/p>\n\n\n\n<p>He died in 1957 in Phoenix, Arizona, aged 70.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On April 22, 1924, U.S. Patent No. 1,490,987 issued to Harry E. Soref on a lock casing: Soref&#8217;s innovation was making the lock body from a plurality of steel laminations secured together with rivets &#8212; a construction still widely used &hellip; <a href=\"https:\/\/patents.harnessip.com\/?p=5205\">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":[18],"tags":[],"class_list":["post-5205","post","type-post","status-publish","format-standard","hentry","category-patent-of-the-day"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=\/wp\/v2\/posts\/5205","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=5205"}],"version-history":[{"count":1,"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=\/wp\/v2\/posts\/5205\/revisions"}],"predecessor-version":[{"id":5207,"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=\/wp\/v2\/posts\/5205\/revisions\/5207"}],"wp:attachment":[{"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}