Personal portable audio device
Patent 4539700 Issued on September 3, 1985. Estimated Expiration Date: 
April 4, 2004. 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.
April 4, 2004. 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 2156504 2285083 2935606 3728664 3844840 3868573 Personal audio listening system Earphone mounting in safety helmet for motorcycle riders Patent #: 4109105 InventorAssigneeApplicationNo. 06/596570 filed on 04/04/1984US Classes:381/333, With furniture, clothing, or image presentation means224/230, Receiver held in clothing pocket381/301, In furniture or clothing381/388, With furniture, clothing, or image display455/343.1, Having particular power or bias supply (including self-powered or battery saving means)455/351TransportableExaminersPrimary: Brown, Thomas W.Attorney, Agent or FirmInternational ClassesA41D 1/00 (20060101)A41D 27/20 (20060101) H04R 5/02 (20060101) H04R 1/10 (20060101) Foreign Application Priority Data1979-11-26 JPAbstractA personal portable audio device includes a garment having a pocket, a speaker is provided at the shoulder portions of the garment, audio components located in the garment pockets, and lead wires are arranged in the garment for connecting the audio components with the speakers. | |
