{"id":3664,"date":"2026-03-30T00:20:00","date_gmt":"2026-03-30T04:20:00","guid":{"rendered":"http:\/\/www.celebrateandlearn.com\/?p=3664"},"modified":"2025-12-11T21:14:23","modified_gmt":"2025-12-12T02:14:23","slug":"inventions","status":"publish","type":"post","link":"https:\/\/www.celebrateandlearn.com\/?p=3664","title":{"rendered":"Pencil with Eraser Was Patented in 1858 by Hymen Lipman"},"content":{"rendered":"<div id=\"attachment_14509\" style=\"width: 142px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-14509\" class=\"wp-image-14509\" src=\"http:\/\/www.celebrateandlearn.com\/wp-content\/uploads\/2016\/03\/pencils-erasers-169x300.jpg\" alt=\"Pencils with erasers\" width=\"132\" height=\"234\" \/><p id=\"caption-attachment-14509\" class=\"wp-caption-text\">Pencils with erasers<\/p><\/div>\n<p><strong>Pencil with eraser<\/strong> <strong>was patented in 1858 by Hymen Lipman of Philadelphia, Pennsylvania<\/strong>. He received Patent Number 19,783. About two billion pencils are produced each year. The pencil &#8220;lead&#8221; is really a form of graphite.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pencil with eraser was patented in 1858 by Hymen Lipman of Philadelphia, Pennsylvania. He received Patent Number 19,783. About two billion pencils are produced each year. The pencil &#8220;lead&#8221; is really a form of graphite.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[4551,5446,3619,5444,3620,3618,60,370],"class_list":["post-3664","post","type-post","status-publish","format-standard","hentry","category-events","tag-4551","tag-5446","tag-hymen-lipman","tag-march-30","tag-patent-19783","tag-pencil-with-eraser","tag-pennsylvania","tag-philadelphia","category-5-id","post-seq-1","post-parity-odd","meta-position-corners","fix"],"_links":{"self":[{"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=\/wp\/v2\/posts\/3664","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3664"}],"version-history":[{"count":10,"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=\/wp\/v2\/posts\/3664\/revisions"}],"predecessor-version":[{"id":29307,"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=\/wp\/v2\/posts\/3664\/revisions\/29307"}],"wp:attachment":[{"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3664"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3664"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}