Chair construction
Patent 6161897 Issued on December 19, 2000. Estimated Expiration Date: 
June 3, 2019. 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.
June 3, 2019. 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 9851 326241 942818 1368397 2400588 2454912 2760556 3146028 3393941 Chair construction InventorsAssigneeApplicationNo. 324387 filed on 06/03/1999US Classes:297/321, Front of bottom carried by link297/300.2, Back tilts while seat inclination adjusts297/300.4, Torsion bar or torsion spring297/316, Interconnected with back for relative concurrent movement297/320Back supports rear of bottomExaminersPrimary: Cuomo, Peter M.Assistant: White, Rodney B. Attorney, Agent or FirmForeign Patent References
International ClassesA47C 001/027A47C 003/02 AbstractA chair has a seat supported on a base support assembly. The support assembly includes an upper bracket with a transverse tube mounted on the forward end thereof. The seat includes an upper shell having hooks extending downwardly from the underside thereof. The hooks are dimensioned and configured to engage the tube and provide for pivotable movement of the upper shell about the tube. | |
