The Supreme Court of Pennsylvania has held that privity is no longer required in assumpsit suits by purchasers against remote manufacturers for breach of implied warranty.
Kassab v. Central Soya, 432 Pa. 217, 246 A.2d 848 (1968).
Stephen G. Walker,
Contracts - Warranties - Vertical Privity,
Duq. L. Rev.
Available at: https://dsc.duq.edu/dlr/vol7/iss2/7