Safety enhanced motorcycle helmet
Patent 5669079 Issued on September 23, 1997. Estimated Expiration Date: 
April 19, 2016. 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 19, 2016. 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 ReferencesSafety helmet with individualized head-contoured inter-liner Helmet structure Method of making an individually fitted helmet Individually fitted helmet liner Protective crash helmet Shock attenuation structure Multiple density helmet body compositions to strengthen helmet Patent #: 5309576 InventorApplicationNo. 634764 filed on 04/19/1996US Classes:2/414, By interior pads2/412By diverse laminaeExaminersPrimary: Neas, Michael A.Attorney, Agent or FirmInternational ClassA42B 003/00AbstractEmbodiments of a safety enhanced motorcycle helmet provide enhanced cushioning to protect sensitive areas of the user's head. In each embodiment, a high density foam material is provided just under the thick outer shell of the helmet. The various embodiments contemplate embedding of various designs of low density foam materials within the high density foam layer. Embodiments include strips of low density foam, low density cylindrical foam plugs, channels formed within the high density foam layer and containing low density foam balls, and low density foam wedge plugs. | |
