Copyright Office Basics What Is Not Protected by Copyright?
Several categories of material are generally not eligible for federal copyright protection. These include among others:
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Titles, names, short phrases, and slogans;
familiar symbols or designs; mere variations of typographic ornamentation, lettering, or coloring; mere listings of ingredients or contents
There is a specific case that covers photos of things that you can see on a street, but I'm too lazy to look it up. Google Street View would not exist but for that protection.