By the middle 19th century, the blunderbuss was considered obsolete.
But many of the buildings are considered obsolete for modern office use.
C remained in the field for a very short period of time, and is now considered entirely obsolete.
TVs from the 2010 range should not be considered obsolete already!
Intel developed the system in the 1990s; it is now considered obsolete.
Not all scholars working on such languages use these terms, which may be considered obsolete.
The previous law dated from 1906 and was considered obsolete.
Although the bridge is considered obsolete there are no current plans to replace it.
Therefore, I do not think they should be considered obsolete.
Right after 9/11 it looked as if the idea of a huge skyscraper might be considered obsolete.