Head protector apparatus
Patent 5946734 Issued on September 7, 1999. Estimated Expiration Date: 
April 13, 2018. 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.
April 13, 2018. 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 2696007 Forehead guard Head covering device Patent #: 4982451 InventorApplicationNo. 059084 filed on 04/13/1998US Classes:2/412, By diverse laminae2/171, HEAD COVERINGS2/200.1, Of particular, peculiar material2/425Sport headgearExaminersPrimary: Oleksa, DianaAttorney, Agent or FirmInternational ClassA41D 020/00AbstractA head protector (10, 10') is shown in certain embodiments, having a plurality of rupturable, closed, pressurized, fluid filled cells (20) each having a rupturable common wall with a low pressure, empty cell (22) between first and second liners (14,16) and with optional cloth inner (18) and outer liners (12). In a second embodiment one or more layers of cushioning material has spaced apart, generally uniformly sized, closed fluid cells (24) intended to withstand selected levels of impacts without rupture. In other embodiments (40, 40', 40", 40'") a cushioning layer of open cell, visco- elastic resin is used with or without a load spreading outer layer of cross-linked, closed cell resin. Fabric covers (46,50) are shown for encapsulating the protector using openable/closable fasteners (48,52). | |
