Patent · 1905 · age 49

US Patent 787412: Art of transmitting electrical energy through the natural mediums

Kept from patents.google.com · 3 files · 1.6 MBCall number TES PT1905.01

Provenance

Source: patents.google.comalso en.wikisource.org, patentimages.storage.googleapis.com
Retrieved: 1 October 2026
Source terms (summary): Google terms: automated access against robots.txt counts as abuse
Rights: Public domainPatent text by Tesla, who died in 1943.Basis: author death year 1943, under a life-plus-70-years rule, as of 2026; other rules, such as the United States publication-date rules, are not assessed.
Formats: HTML, PDF scan
Fingerprint: 27d163fe723be8668a315c7b0cd3f299f85dddade0018b3a99a519add1da62b0sha256 of the file (64 characters). Any change to the file changes this code.
Cite as: Nikola Tesla, US Patent 787412: Art of transmitting electrical energy through the natural mediums (1905). Long Keeping, call number TES PT1905.01. https://longkeeping.com/nikola-tesla/us-patent-787412-art-of-transmitting-electrical-energy-throu/

Unchanged since collected At the last check, on 2 October 2026, all 903 originals, this work's 3 files among them, matched the fingerprints recorded when they were collected. Each copy is re-checked by hand once a year; there is no automatic alert yet.

Notes on this copy

#1The file carries images, and no check is recorded yet that none of them is a picture of the person (the collection keeps no likenesses).
#2Machine-read text (OCR), not proofread, with no page images in the file to check it against.
#9Saved from Wikisource without a pinned revision number; the revision is recorded inside the file itself.

Original

googlepatents_US787412A.html

Open reading copy 797 KB Exact filePublic domain

Reading copy: the saved page with its pictures left out. A picture appears in the reading copy only once the library has recorded its licence, the licence is on the library's pass list, and it has been checked for a likeness. See its pictures at the source (another site). Exact file: the page byte for byte; its pictures do not load here.

Files

First pass, not a clearance.

Links inside these saved pages were written for the site they were saved from; some lead nowhere here.

File	Format	Size	Source	sha256	Label
googlepatents_US787412A.html exact filemain	HTML	797 KB	patents.google.com	27d163fe723be8668a315c7b0cd3f299f85dddade0018b3a99a519add1da62b0	Public domainPatent text by Tesla, who died in 1943.Basis: author death year 1943, under a life-plus-70-years rule, as of 2026; other rules, such as the United States publication-date rules, are not assessed.
wikisource_United_States_patent_787412.html exact file	HTML	148 KB	en.wikisource.org	9013edcc151e7a2eb1822b667e24f85e390a66b49b472952fc8b778a75564d8f	Public domainPatent text by Tesla, who died in 1943.Basis: author death year 1943, under a life-plus-70-years rule, as of 2026; other rules, such as the United States publication-date rules, are not assessed.Licence: CC BY-SA 4.0 (another site). Attribution: Wikisource contributors (another site).This is Wikisource's licence for its own contributions to this saved page, such as layout and notes. The work's text is labelled public domain, as this file's label shows.
googlepatents_US787412A_scan.pdf	PDF scan	695 KB	patentimages.storage.googleapis.com	a07f0bbcdebeec61fa9e5bd8cf2ddfbd16c1f019bc83ab621de5f52e394a105a	Public domainPatent text by Tesla, who died in 1943.Basis: author death year 1943, under a life-plus-70-years rule, as of 2026; other rules, such as the United States publication-date rules, are not assessed.Held in the archive: its images await the archive's likeness review. Its source (another site)