415 A.2d 1270 Findlay Refractories et al., Petitioners v. Commonwealth of Pennsylvania, Workmen’s Compensation Appeal Board and Glen E. Renz, Respondents. Commonwealth Court of Pennsylvania.Argued May 11, 1979 June 30, 1980. Workmen’s compensation — Timeliness of claim — The Pennsylvania Occupational Disease Act, Act 1939, June 21, P.L. 566 — The Pennsylvania Workmen’s Compensation Act, […]