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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.

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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.