Sound transmitting system
Patent 4124249 Issued on November 7, 1978. Estimated Expiration Date: 
October 25, 1997. 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.
October 25, 1997. 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 3124389 3156500 3397286 3922034 InventorApplicationNo. 05/845257 filed on 10/25/1977US Classes:297/217.4, Sound producing297/391, HEADREST297/452.17, Continuous cushioning material (e.g., one-piece cushion, bean bag, etc.)312/7.1, RADIO TYPE5/904WITH SOUND EMITTING MEANSExaminersPrimary: Nunberg, Casmir A.Attorney, Agent or FirmInternational ClassA47C 21/00 (20060101)AbstractA sound transmitting system has a large speaker mounted in a chamber formed in an article of furniture under the thorax area of a person resting on the article of furniture. A pair of arcuate members are mounted on the article of furniture at the person's head and have four distinct loudspeaker chambers enclosed therein for directing multichannel or single channel sound into the ears of the person. Each semicircular arcuate portion has a pair of speakers separated by an internal bulkhead mounted in the chambers thereof. | |
