Doorway mounted horizonal bar
Patent 4473225 Issued on September 25, 1984. Estimated Expiration Date: 
September 15, 2003. 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.
September 15, 2003. 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 2443149 3525521 3738650 InventorAssigneeApplicationNo. 06/532359 filed on 09/15/1983US Classes:482/40, Door or door jamb248/264Mounted on opposing wallsExaminersPrimary: Apley, Richard J.Assistant: Crow, S. R. Attorney, Agent or FirmInternational ClassA63B 1/00 (20060101)AbstractThe horizontal bar includes tubular members freely telescopically interconnected having laterally extending end plates wedged-shaped and received in doorway brackets on opposite sides of the doorway. The brackets are wedged-shaped and include a passageway narrower in width to provide a friction fit between the side edges of the plates and the lateral ends of the brackets. | |
