How Serious Are Expiration Dates on Condoms?

[coloradosilver]

Fiance and I couldn't find any condoms last night until we finally found one in the bottom of her purse. The Expiration date was April, 2004. I opened it and it seemed fine, lube and all. Afterward, I checked to be sure it didn't break or anything. Anyway, these things are good for like 3 years, so I didn't think that plus or minus a few months would be a big deal. Am I taking a big risk here? It's not an STD concern for me, it's a no baby concern. Just curious.