...an application may be pending, or with any unexpired patent which shall have been granted, it shall be the duty of the Commissioner to give notice thereof...applicants or patentees, as the case may be, and if either .símil be dissatisfied with the decision of the Commissioner on the question of priority of right...

...shall be the the duty of the comiissinner to give notice thereof to such applicants, or patentees,)! the case may be; and if either shall be dissatisfied...commissioner on the question of priority of right oriiTention, on a hearing thereof, he may appeal from such dedsioa, on the like terms and conditions...

...an application may be pending, or with .any unexpired patent which shall have been granted, it shall be the duty of the Commissioner to give notice thereof to such applicant, or patentee, as the case mav beand if either shall be dissatisfied with the decision of...