File:Oklahoma 57 1948.svg

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Description Oklahoma state highway shield approximated to the 1948 standards. No actual standard is known to be accessible on the Internet for this shield, so this shield is completely approximated by photos and surviving specimens.
Date
Source Based on File:Oklahoma 44 1924.svg.
Author Levente Jakab, Scott Nazelrod
Permission
(Reusing this file)
As a road sign found in the federal MUTCD, this sign is not copyrightable. Any copyrightable elements were first published in 1924, making it public domain due to age anyway.
Public domain This file is in the public domain because it comes from the Manual on Uniform Traffic Control Devices, which states specifically on page I-1 that:
Any traffic control device design or application provision contained in this Manual shall be considered to be in the public domain. Traffic control devices contained in this Manual shall not be protected by a patent, trademark, or copyright, except for the Interstate Shield and any other items owned by FHWA.

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current02:16, 11 April 2014Thumbnail for version as of 02:16, 11 April 20141,846 × 1,846 (18 KB)Scott5114 (talk | contribs){{Information |Description=Oklahoma state highway shield approximated to the 1948 standards. No actual standard is known to be accessible on the Internet for this shield, so this shield is completely approximated by photos and surviving specimens. |So...

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