That's not oak. Fir floors were common way back when, which might be what you're thinking of. Quarter sawn oak doesn't show the open grain. You typically see that on cabinets only
Oak is a hard wood. Commonly used in the 20s. Fir is a soft wood. Not really used for flooring as far as I know of. Lots of 'engineered' flooring today. All kinds of 'looks'.