Flexible collapsible container with liquid level indicating device
Patent 4639251 Issued on January 27, 1987. Estimated Expiration Date: 
June 28, 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.
June 28, 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 2083603 2734662 3777697 Molded collapsible solution container having gusset portions 4090541 Molded collapsible solution container having transverse fold lines Aseptic system for total parenteral nutrition and the like Flexible bag with recessed scrapless hanger Container for medical use Storage bag AbstractApparatus for administering medical liquids comprising a combination of a calibrated flexible bag and a liquid level indicating device for increasing the accuracy of measuring the level of liquids within the bag. The liquid level indicating device consists of a pair of spaced-apart elongated rollers which form a slot into which the upper part of the bag can be inserted. The rollers rest on the outside of the bag at about the upper level of liquid within the bag. | |
