{ "item_title" : "Subjects of Invention Adopted in the U.S. Patent Office", "item_author" : [" Anonymous "], "item_description" : "Subjects of Invention Adopted in the U.S. Patent Office is a comprehensive reference work detailing the classification system used by the United States Patent Office for inventions. This meticulously organized volume offers insights into the categories and subcategories used to classify patents, providing a valuable resource for inventors, patent attorneys, and researchers. The book serves as an essential guide for navigating the complexities of the U.S. patent system, aiding in the identification and understanding of existing patents and the proper classification of new inventions. A historical snapshot of early patent practices, it remains relevant for those studying the evolution of intellectual property and technological innovation.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/1/14/574/676/1145746764_b.jpg", "price_data" : { "retail_price" : "23.95", "online_price" : "23.95", "our_price" : "23.95", "club_price" : "23.95", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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