Defined space having sound-insulated and light-impermeable walls, preferably intended to enclose a bed
Patent 4129123 Issued on December 12, 1978. Estimated Expiration Date: 
September 30, 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.
September 30, 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 3156932 3212220 3227061 3511162 3512314 InventorApplicationNo. 05/838406 filed on 09/30/1977US Classes:600/21, ISOLATION TREATMENT CHAMBERS109/1S, Shelter (e.g., bomb)472/57, ILLUSION OR STAGE DEVICE5/284, Heating and cooling devices5/904, WITH SOUND EMITTING MEANS600/28Audio (e.g., heartbeat, "white noise", etc.)ExaminersPrimary: Nunberg, Casmir A.Attorney, Agent or FirmInternational ClassesA47C 21/00 (20060101)F24F 1/04 (20060101) Foreign Application Priority Data1976-10-01 SEAbstractThe environment of an enclosed space is controlled to simulate the conditions of an arbitrarily selected geographic site. The sound, temperature and light of the space are raised and lowered in accordance with a predetermined program to coincide with the occurrence of dawn and dusk, respectively, at the arbitrarily selected site. | |
