Skip to content

Library / Engineering & Technology / The Classification of Patents / Braille

The Classification of Patents ⠃⠗⠋ braille edition

Grade 2 — contracted English braille (EBAE-compatible subset). Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 1 instead.

Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt

112,315 braille cells · 118 embossed pages at 40×25 · 461 unrepresentable characters omitted

⠉⠇⠁⠊⠍⠎⠀⠿⠀⠁⠀⠐⠏⠀⠷⠀⠁⠀⠙⠊⠎⠉⠇⠕⠎⠫⠀⠀⠀⠀⠀⠀⠀
⠉⠕⠍⠃⠔⠁⠞⠊⠕⠝⠲⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠼⠉⠉⠀⠀⠀⠀⠀⠀⠼⠃⠉⠲⠀⠠⠑⠭⠉⠑⠏⠞⠊⠕⠝⠀⠞⠕⠀⠗⠥⠇⠑⠀⠼⠁⠊⠂⠀
⠛⠢⠻⠊⠉⠀⠉⠕⠍⠃⠔⠁⠞⠊⠕⠝⠀⠕⠇⠙⠀⠵⠀⠍⠁⠞⠞⠻⠀⠀⠀⠀⠀⠀⠀⠷⠀
⠉⠕⠍⠍⠕⠝⠀⠅⠲⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠼⠉⠙⠀⠀⠀⠀⠀⠀⠼⠃⠙⠲⠀⠠⠑⠭⠉⠑⠏⠞⠊⠕⠝⠀⠞⠕⠀⠗⠥⠇⠑⠀⠼⠁⠊⠂⠀
⠁⠗⠞⠊⠉⠇⠑⠀⠷⠀⠍⠁⠝⠥⠋⠁⠉⠞⠥⠗⠑⠀⠙⠑⠋⠔⠫⠀⠀⠀⠀⠀⠀⠀⠕⠝⠇⠽⠀
⠃⠽⠀⠍⠁⠞⠻⠊⠁⠇⠲⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠼⠉⠙⠀⠀⠀⠀⠀⠀⠼⠃⠑⠲⠀⠠⠑⠭⠉⠑⠏⠞⠊⠕⠝⠀⠞⠕⠀⠗⠥⠇⠑⠀⠼⠁⠊⠂⠀
⠥⠞⠊⠇⠊⠵⠬⠀⠁⠀⠉⠕⠍⠏⠕⠎⠊⠞⠊⠕⠝⠲⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠉⠙⠀⠀
⠼⠃⠋⠲⠀⠠⠑⠭⠉⠑⠏⠞⠊⠕⠝⠀⠞⠕⠀⠗⠥⠇⠑⠀⠼⠁⠊⠂⠀⠥⠞⠊⠇⠊⠵⠬⠀⠁⠀
⠍⠁⠡⠔⠑⠲⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠉⠙⠀⠀⠀⠀⠀⠀⠼⠃⠛⠲⠀
⠠⠏⠁⠞⠢⠞⠎⠀⠓⠁⠧⠬⠀⠉⠇⠁⠊⠍⠎⠀⠿⠀⠎⠑⠧⠻⠁⠇⠀⠙⠊⠋⠋⠻⠢⠞⠀⠀⠀⠀
⠊⠝⠧⠢⠞⠊⠕⠝⠎⠲⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠼⠉⠑⠀⠀⠀⠀⠀⠀⠼⠃⠓⠲⠀⠠⠛⠢⠻⠁⠇⠀⠗⠥⠇⠑⠀⠷⠀⠎⠥⠏⠻⠊⠕⠗⠊⠞⠽⠀
⠃⠑⠞⠺⠑⠢⠀⠌⠁⠞⠥⠞⠕⠗⠽⠀⠅⠔⠙⠎⠀⠷⠀⠀⠀⠀⠀⠀⠀⠊⠝⠧⠢⠞⠊⠕⠝⠲⠀⠀
⠼⠉⠑⠀⠀⠀⠀⠀⠀⠼⠃⠊⠲⠀⠠⠑⠭⠉⠑⠏⠞⠊⠕⠝⠀⠞⠕⠀⠗⠥⠇⠑⠀⠼⠃⠓⠲⠀⠀⠀
⠼⠉⠑⠀⠀⠀⠀⠀⠀⠼⠉⠚⠲⠀⠠⠏⠗⠕⠉⠑⠎⠎⠀⠯⠀⠁⠏⠏⠜⠁⠞⠥⠎⠲⠀⠀⠀⠀⠀⠀
⠼⠉⠋⠀⠀⠀⠀⠀⠀⠼⠉⠁⠲⠀⠠⠁⠗⠞⠊⠉⠇⠑⠀⠷⠀⠍⠁⠝⠥⠋⠁⠉⠞⠥⠗⠑⠀⠯⠀
⠊⠝⠌⠗⠥⠍⠢⠞⠀⠿⠀⠍⠁⠅⠬⠀⠁⠀⠐⠏⠀⠀⠀⠀⠀⠀⠀⠷⠀⠭⠀⠕⠗⠀⠏⠻⠿⠍⠬⠀
⠁⠝⠽⠀⠍⠔⠕⠗⠀⠁⠉⠞⠀⠗⠑⠇⠁⠞⠊⠧⠑⠀⠮⠗⠑⠞⠕⠲⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠼⠉⠋⠀⠀⠀⠀⠀⠀⠼⠉⠃⠲⠀⠠⠏⠗⠕⠉⠑⠎⠎⠀⠯⠀⠏⠗⠕⠙⠥⠉⠞⠀⠱⠻⠑⠀
⠎⠑⠜⠡⠀⠿⠀⠮⠀⠏⠗⠕⠉⠑⠎⠎⠀⠺⠳⠇⠙⠀⠀⠀⠀⠀⠀⠀⠓⠀⠞⠕⠀⠃⠑⠀⠍⠁⠙⠑
⠀⠁⠍⠕⠝⠛⠀⠍⠁⠡⠔⠑⠎⠲⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠼⠉⠋⠀⠀⠀⠀⠀⠀⠼⠉⠉⠲⠀⠠⠏⠗⠕⠉⠑⠎⠎⠀⠯⠀⠏⠗⠕⠙⠥⠉⠞⠀⠱⠻⠑⠀

These are the same pages the .brf download embosses — form-feed breaks and all. BRF opens in braille software (Duxbury, BrailleBlaster), on embossers, and on refreshable displays.