User assembled desk top file
Patent 4664283 Issued on May 12, 1987. Estimated Expiration Date: 
August 28, 2006. 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.
August 28, 2006. 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 1656497 2549013 3081897 3306484 3360180 3497127 Collapsible plastic crate for display and transport of perishable commodities Patent #: 4238044 InventorApplicationNo. 06/901325 filed on 08/28/1986US Classes:220/4.28, Knockdown206/509, Having vertical projecting element or recess for interlock211/126.1, TRAY220/23.4, Detachable220/23.6With stacking featureExaminersPrimary: Hall, George T.International ClassesA47B 47/00 (20060101)A47B 47/04 (20060101) B42F 7/00 (20060101) B42F 7/14 (20060101) F16B 12/00 (20060101) F16B 12/26 (20060101) AbstractAn all-plastic desk top file or tray easily user assembled from planar panels that lock together with either snap-in integral barb or lateral tongue and slot connections without the use of any tools, and the tray is modular so trays can be stacked vertically and horizontally and locked together. | |
