…was ushered into this world of sorrow and trouble, by the parish surgeon, it remained a matter of considerable doubt whether the child would survive to bear any name at all; in which case it is somewhat more than probable that these memoirs would never have appeared; or, if they had, that being comprised within a couple of pages, they would have possessed the inestimable merit of being the most concise and faithful specimen of biography, extant in the literature of any age or country.
There are no more uses of "extant" in the book.
Show samples from other sources
But as you know, to do this with extant technology would have been prohibitively expensive for the average person.
Dave Eggers -- The Circle
"That was one of only five extant copies!" he moaned.