Completed prior to 1923, the paintings are in the public domain.
Childe Hassam was a famous painter. He was born in 1859 in Dorchester, MA and died in 1935. One of the most famous sets of paintings he did was called The Flag Series.
Childe Hassam is mostly known for urban and coastal scenes. His most famous works include a group of about thirty paintings known as the Flag series.
International Code of Signals - 'N' flag meaning - Negative, No
No, the flag's design is not copyrighted.
The state flag of California is in the public domain.
The state flag of California is in the public domain.
During Lyndon B. Johnson's presidency, notable artists whose oil paintings adorned the White House included Thomas Hart Benton and Childe Hassam. Benton's work, often depicting American life and landscapes, resonated with Johnson's vision of American culture. Hassam's famous flag paintings also reflected patriotic themes appropriate for the era. Additionally, the Johnson administration aimed to showcase a variety of American art, emphasizing the country's artistic heritage.
"Ragged Old Flag" by Johnny Cash was released in 1974 as part of his album of the same name. The song is protected by copyright law, which means that the rights to its reproduction, distribution, and performance are held by the copyright owner, typically the songwriter and their music publisher. For specific copyright details, including the duration and ownership, one would need to refer to the U.S. Copyright Office or relevant music publishing databases.
You must either contact them or if possible, flag what they have copied.
Perhaps you mean "copyright" or "trademark", since patents do not generally cover any decorative designs. If so, the answer is "yes", you may have a copyright or trademark that includes a national flag, in many countries, but you might be required to disclaim any exclusive right to the portion containing the flag, and your design must conform to any relevant laws regarding commercial use of the flag symbol.
There are a huge number of rightsholders, and who you would contact depends on your intended use. To use the K'naan sound recording, start with Universal; to use the song (e.g. to re-record it), start with Sony Nashville.
Flag to Flag happened in 1999.