PZL44_Wicher.jpg

Description
English: Polish airliner prototype ' PZL.44 Wicher
Polski: Prototyp polskiego samolotu pasażerskiego PZL.44 Wicher
Date 1938/1939
Source Janusz Babiejczuk, Jerzy Grzegorzewski: Polski przemysl lotniczy 1945-1973 , Warsaw 1974
Author Unknown author Unknown author
Permission
( Reusing this file ) 		public domain (see below)


Public domain
This photograph is in the public domain because according to the Art. 3 of copyright law of March 29, 1926 of the Republic of Poland and Art. 2 of copyright law of July 10, 1952 of the People's Republic of Poland , all photographs by Polish photographers (or published for the first time in Poland or simultaneously in Poland and abroad) published without a clear copyright notice before the law was changed on May 23, 1994 are assumed to be in the public domain in Poland.

This work is in the public domain in the United States because it meets three requirements:

  1. it was first published outside the United States (and not published in the U.S. within 30 days),
  2. it was first published before 1 March 1989 without copyright notice or before 1964 without copyright renewal or before the source country established copyright relations with the United States,
  3. it was in the public domain in its home country ( Poland ) on the URAA date (1 January 1996).
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