Project Gutenberg 2007-09-20 Public domain in the USA. 266 United States. Patent Office 15020447 The Classification of Patents Produced by Joe Longo and the Online Distributed Proofreading Team at http://www.pgdp.net (This book was produced from scanned images of public domain material from the Google Print project.) "The Classification of Patents" by the United States Patent Office is a scientific publication written in the early 20th century. This work outlines the principles and practices involved in the classification of patents within the U.S. Patent Office, providing insights into the methods used to organize an extensive collection of patents in various fields of invention. The book serves as a guide for understanding how patents are categorized to facilitate research and examination. The opening of the text introduces the need for a systematic approach to patent classification due to the vast diversity of inventions and technologies. It explains that the previous classification methods were inadequate and outlines the background of patent classification in the United States, dating back to the early 19th century. The text discusses the importance of establishing principles to improve classification practices, touching upon the evolution of previous schemes and the necessity for a more logical and efficient system that takes into account function, structure, and utility as bases for categorization. Thus, the opening sets the stage for a detailed exploration of the methods and reasoning behind the classification system that governs patent applications and rights. (This is an automatically generated summary.) Reading ease score: 44.0 (College-level). Difficult to read. en Patents -- United States T Text Category: Engineering & Technology Category: Research Methods/Statistics/Information Sys 180111 2025-08-09T12:03:36.959988 text/html 177197 2007-09-20T09:54:44 text/html 147347 2025-08-09T12:03:43.719899 application/epub+zip 147589 2025-08-09T12:03:40.230920 application/epub+zip 126079 2025-08-09T12:03:38.960926 application/epub+zip 299712 2025-08-09T12:03:46.283915 application/x-mobipocket-ebook 280592 2025-08-09T12:03:42.887935 application/x-mobipocket-ebook 232963 2022-09-10T14:41:07.502884 application/x-mobipocket-ebook 153312 2025-08-09T12:03:36.385978 text/plain; charset=us-ascii 153257 2007-09-20T09:54:44 text/plain; charset=us-ascii 153247 2007-09-20T09:54:44 text/plain; charset=us-ascii 54543 2007-02-08T19:19:14 application/octet-stream 17355 2007-02-08T19:19:16 application/octet-stream 22979 2007-02-08T19:19:16 application/octet-stream 63384 2007-02-08T19:19:16 application/octet-stream 78986 2007-02-08T19:19:16 application/octet-stream 91138 2007-02-08T19:19:16 application/octet-stream 107723 2007-02-08T19:19:16 application/octet-stream 105910 2007-02-08T19:19:16 application/octet-stream 114655 2007-02-08T19:19:16 application/octet-stream 113668 2007-02-08T19:19:16 application/octet-stream 119878 2007-02-08T19:19:16 application/octet-stream 118132 2007-02-08T19:19:16 application/octet-stream 116968 2007-02-08T19:19:16 application/octet-stream 117446 2007-02-08T19:19:16 application/octet-stream 118087 2007-02-08T19:19:16 application/octet-stream 122343 2007-02-08T19:19:16 application/octet-stream 84071 2007-02-08T19:19:16 application/octet-stream 99873 2007-02-08T19:19:16 application/octet-stream 96337 2007-02-08T19:19:16 application/octet-stream 101164 2007-02-08T19:19:16 application/octet-stream 118582 2007-02-08T19:19:16 application/octet-stream 114272 2007-02-08T19:19:16 application/octet-stream 93655 2007-02-08T19:19:16 application/octet-stream 120654 2007-02-08T19:19:16 application/octet-stream 109224 2007-02-08T19:19:16 application/octet-stream 111771 2007-02-08T19:19:16 application/octet-stream 110146 2007-02-08T19:19:16 application/octet-stream 118246 2007-02-08T19:19:16 application/octet-stream 116262 2007-02-08T19:19:16 application/octet-stream 113968 2007-02-08T19:19:16 application/octet-stream 106354 2007-02-08T19:19:16 application/octet-stream 103766 2007-02-08T19:19:16 application/octet-stream 89190 2007-02-08T19:19:16 application/octet-stream 115957 2007-02-08T19:19:16 application/octet-stream 108658 2007-02-08T19:19:16 application/octet-stream 113463 2007-02-08T19:19:16 application/octet-stream 118558 2007-02-08T19:19:16 application/octet-stream 108151 2007-02-08T19:19:16 application/octet-stream 106797 2007-02-08T19:19:16 application/octet-stream 112607 2007-02-08T19:19:16 application/octet-stream 109771 2007-02-08T19:19:16 application/octet-stream 100984 2007-02-08T19:19:16 application/octet-stream 111912 2007-02-08T19:19:16 application/octet-stream 113817 2007-02-08T19:19:16 application/octet-stream 130878 2007-03-07T11:02:08 application/octet-stream 55074 2025-08-09T12:03:46.450897 application/rdf+xml 16054 2025-08-09T12:03:39.462921 image/jpeg 3862 2025-08-09T12:03:39.210933 image/jpeg 50077 2007-09-20T09:54:46 application/octet-stream application/zip 65989 2007-09-20T09:54:46 application/octet-stream application/zip 50062 2007-09-20T09:54:46 application/octet-stream application/zip 144585 2025-08-09T12:03:36.975944 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog