” – Case 1 – Shackle 2. 3″ high x 2″ wide. Stamped Steel body. Steel shackle. Nickel plate finish. “PATENTS AUG.25.1908 NOV.6.1908 NOV.29.1910” is stamped on the reverse of the body.Patent #’s 897228 977337. More… Patent date Nov 6 1908 was not found. Day of week is not correct. We searched 1907 thru 1910.