Helmet having a withdrawable shield
Patent 4287615 Issued on September 8, 1981. Estimated Expiration Date: 
March 3, 2000. 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 3, 2000. 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 3601814 3636565 InventorApplicationNo. 06/126755 filed on 03/03/1980US Classes:2/424, And face2/10, Hat or cap attachments2/425Sport headgearExaminersPrimary: Nerbun, PeterAttorney, Agent or FirmInternational ClassesA42B 3/18 (20060101)A42B 3/22 (20060101) Foreign Application Priority Data1979-03-02 FRAbstractIn this helmet, the shield has a lower notch adapted to rest on the nose of the user and is connected by an elastically yieldable connection to a support which is pivotally mounted on the outer shell of the helmet. This connection biases the shield inwardly of the helmet. The shield in this way adapts itself to the morphology of the user.Application in ski crash-helmets. | |
