...invention or discovery thereof, or more than two years prior to his application, and not in public use or on sale in this country for more than two years prior to his application, unless the same is proved to have been abandoned, may, upon payment of the...
...invention or discovery thereof, or more than two years prior to his application, and not in inil/lio use or on sale In this country for more than two years prior to his application, unless the same is proved to have been abandoned, may, upon payment of the...
... in public use or on sale in this country for more than two years... 
