Ergonomic keyboard apparatus and method of using same
Patent 5503484 Issued on April 2, 1996. Estimated Expiration Date: 
October 3, 2014. 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 3, 2014. 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 ReferencesBio-mechanical keyboard structure and method Wrist support for use with an office machine having a keyboard Computer work station with mnemonic keyboard Ergonomic keyboard apparatus and method of using same Ergonomic keyboard apparatus with left and right key section separated by an irregularly shaped space Patent #: 5372441 InventorAssigneeApplicationNo. 317554 filed on 10/03/1994US Classes:400/489, Key-board including keys grouped to facilitate positioning of typist's fingers248/118.1, Armrest for writer341/22, Including keyboard or keypad345/168, Including keyboard400/472, KEY-BOARD OR KEY LEVER-ACTUATING MECHANISM400/715Attachment for guiding fingers or hands of typist (e.g., hand rest)ExaminersPrimary: Bennett, Christopher A.Attorney, Agent or FirmInternational ClassB41J 005/10AbstractA keyboard arrangement with a pair of angularly disposed, spaced apart groups of character keys dedicated for operating use respectively by the left hand and the right hand of a user. A space bar key is operable by either thumb of the user and bridges between the two groups of character keys. The rows of keys in each group are staggered, and each key bears character indicia disposed at an angle to the transverse direction of its group of keys.Field of SearchKEY-BOARD OR KEY LEVER-ACTUATING MECHANISMKey-board having multiple-character, multiple-movement keys Key-board arranged according to character location Color-coded key-board Key-board including row of keys having different heights Attachment for guiding fingers or hands of typist (e.g., hand rest) ARMREST OR HEADREST Armrest for writer Adjustable height KEYBOARDS With total transfer to keyboard or the like Auxiliary Including keyboard Having programmable function key Including keyboard or keypad | |
