Volume-variable container for fluids
Patent 4674655 Issued on June 23, 1987. Estimated Expiration Date: 
November 21, 2005. 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.
November 21, 2005. 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 1293860 2718983 3418059 3648895 Variable-volume disposable appliance Dispensing container Device and method for collecting blood plasma Squeeze-actuated syringe Patent #: 4581021 InventorsAssigneeApplicationNo. 06/800296 filed on 11/21/1985US Classes:222/48, Pivoted or rotary dispensing part220/6, Folding222/103, Clamping type222/107, Nonmetallic222/214, Wall deflecting means222/215, Nonmetallic229/101, Variable volume604/214Mechanical means (e.g., piston, clamp, etc.) moved to collapse reservoirExaminersPrimary: Rolla, Joseph J.Assistant: Shaver, Kevin Attorney, Agent or FirmInternational ClassesA61J 1/00 (20060101)A61M 5/28 (20060101) Foreign Application Priority Data1984-11-23 SEAbstractA variable-volume container for fluids that is formed of a body portion and two end portions. The body portion comprises four rigid walls with each wall being joined to the next adjacent wall by a longitudinal fold line to permit collapsing of the container. The end portions of the container, each comprise, four sets of two triangular portions joined at fold lines to one another and to the walls of the body portion to permit the container to collapse without mechanical strain and substantial longitudinal motion of the end portions.Field of SearchPosition or extent of motion indicatorScale and pointer, with detents Flexibly connected indicator and dispenser element Indicating element rigidly carried by movable dispenser element Pivoted or rotary dispensing part Slidable indicator element projecting from container Scale or container COLLAPSIBLE WALL-TYPE CONTAINER With wall-collapsing means Clamping type With casing or support Combined Nonmetallic RESILIENT WALL Nonmetallic Wall deflecting means | |
