Reinforced double-fenestrated surgical drape
Patent 3942523 Issued on March 9, 1976. Estimated Expiration Date: 
March 9, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 9, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3503391 3799161 3856006 3862632 InventorAssigneeApplicationNo. 541870 filed on 01/17/1975US Classes:128/853FenestratedExaminersPrimary: Trapp, Lawrence W.Attorney, Agent or FirmAbstractA double-fenestrated surgical drape, especially suitable for use in those operations requiring entry through both the abdominal wall and the perineum, comprising a pair of rectangular non-woven cellulosic sheets of unequal size joined together in overlapping relation to provide a narrow reinforced zone of increased thickness interposed between the fenestrations of the respective sheets. | |
