Removable pressure-adjustable shock-absorbing cushion device with an inflation pump for sports goods
Patent 4912861 Issued on April 3, 1990. Estimated Expiration Date: 
April 11, 2008. 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 11, 2008. 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 1382831 2028060 2372218 2465268 2657385 2677906 Pneumatic knee pad Protective baseball batting garment Inflatable body support cushion, particularly to support a woman during pregnancy Water cushion and method of using the same InventorApplicationNo. 180288 filed on 04/11/1988US Classes:36/29, Pneumatic5/655.3, Inflatable (e.g., air containing)36/71PADSExaminersPrimary: Schroeder, Werner H.Assistant: Biefeld, Diana L. Attorney, Agent or FirmForeign Patent References
International ClassA43B 013/20AbstractA removable, pressure-adjustable, shock-absorbing cushion device for sports goods, comprising a cover and an air cushion enveloped in the cover. The cushion is a hollow flat bag having upper and lower sheets adhered to each other at round recesses or linear recesses, either alone or in combination. The recesses furnish the air cushion with shock-absorbing elasticity and flexibility whether the cushion is inflated or not. An inflation pump or an air nipple is provided in the cushion for inflating or deflating the cushion. | |
