This image of simple geometry is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship.
Public domainPublic domainfalsefalse
This file is from:
The constitution, acts, regulations, or official documents (including proclamations, text of speeches, news releases, and other documents prepared by civil servants in the course of carrying out their duties).
Translations or compilations by central or local government agencies of works referred to in the preceding subparagraph.
(1) laws and regulations, resolutions, decisions and orders of State organs, other documents of a legislative, administrative or judicial nature and the official translations thereof;
(2) mere information about facts or happenings; and
(3) calendars, numerical tables and forms of general use, and formulas.
This work is from any of the items above and is in the public domain in mainland China and possibly other jurisdictions. For works whose copyright has expired, see also {{PD-China}} and {{PD-PRC}}.
PD-PRC-exemptPublic domain in the People's Republic of China//commons.wikimedia.org/wiki/File:Flag_of_the_Empire_of_China_(1916).svg
Public domainPublic domainfalsefalse
This image is now in the public domain in China because its term of copyright has expired.
According to copyright laws of the People's Republic of China (with legal jurisdiction in the mainland only, excluding Hong Kong and Macao), amended November 11, 2020, Works of legal persons or organizations without legal personality, or service works, or audiovisual works, enter the public domain 50 years after they were first published, or if unpublished 50 years from creation. For photography works of natural persons whose copyright protection period expires before June 1, 2021 belong to the public domain. All other works of natural persons enter the public domain 50 years after the death of the creator.
According to copyright laws of Republic of China (currently with jurisdiction in Taiwan, the Penghu, Kinmen, Matsu, etc.), all photographs and cinematographic works, and all works whose copyright holder is a juristic person, enter the public domain 50 years after they were first published, or if unpublished 50 years from creation, and all other applicable works enter the public domain 50 years after the death of the creator.
This work is in the public domain in the United States, because it was published before January 1, 1929.
To uploader: Please provide where the image was first published and who created it or held its copyright.