Slip-proof coupling device
Patent 4045058 Issued on August 30, 1977. Estimated Expiration Date: 
August 30, 1994. 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 30, 1994. 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 2728058 2912982 2918917 3017880 3038469 3236236 3262721 3388705 InventorAssigneeApplicationNo. 05/679679 filed on 04/23/1976US Classes:285/119, COMBINED128/207.14, Respiratory gas supply means enters mouth or tracheotomy incision285/148.23, Reducer285/272, SWIVEL604/533Coupling or connector structureExaminersPrimary: Callaghan, Thomas F.Attorney, Agent or FirmAbstractThe specification discloses a coupling device comprising a sleeve, forming an adapter for connecting tubing of different sizes, particularly tubing used in respiratory systems in hospitals. The sleeve has fixed thereto a pair of external diametrically disposed mushroom-like buttons by which an elastic tape with a series of holes secures a tubing to the sleeve and prevents accidental separation therefrom. | |
