Simulated keyboard system
Patent 4580984 Issued on April 8, 1986. Estimated Expiration Date: 
November 2, 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.
November 2, 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 662834 1820209 2053874 2154478 2802224 3501849 InventorApplicationNo. 06/667898 filed on 11/02/1984US Classes:434/227Keyboard operation (e.g., typing, key punching, etc.)ExaminersPrimary: Grieb, William H.Attorney, Agent or FirmInternational ClassesG09B 13/02 (20060101)G09B 13/00 (20060101) AbstractMethod of teaching keyboarding by providing a first simulated keyboard which is substantially the same size as a standard keyboard and which has means for dividing the keys into appropriate standard finger grouping columns and providing a second simulated keyboard which has means for visually dividing the keys into the same finger grouping columns as the first simulated keyboard. The invention also consists of first and second simulated keyboards for carrying out the above method. | |
