Patent 5381800 Issued on January 17, 1995. Estimated Expiration Date: March 12, 2012. 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.
A method and apparatus for administering a test to detect the esophagitis in a patient utilizes a sealed pliable tube. When the tube is unsealed and inserted in the esophagus of a patient, an acidic solution stored in the tube flows into the esophagus and, if the patient has esophagitis, causes the chest pain or other symptoms which the patient experiences during esophagitis.
March 12, 2012. 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.
