Input pen with attached writing implement
Patent 5564850 Issued on October 15, 1996. Estimated Expiration Date: 
May 10, 2015. 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.
May 10, 2015. 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 3221360 Felt pen having two end caps Patent #: 4509875 InventorApplicationNo. 438444 filed on 05/10/1995US Classes:401/37, PLURAL TOOLS WITH SUPPLY TO LESS THAN ALL401/34, PLURAL EXPOSED TOOLS EACH WITH INDIVIDUAL SUPPLY401/195, COMBINED401/202, With removable cap for tool401/209, Ball401/213With sealing capExaminersPrimary: Bratlie, Steven A.Attorney, Agent or FirmForeign Patent References
International ClassesB43K 029/00B43K 009/00 Foreign Application Priority Data1994-05-23 JPAbstractA writing instrument with an input member for pressure-sensitive handwriting at one end, and a removable writing pen on the opposite end of a cylindrical body. A single cap of a diameter smaller than that of the cylindrical body may cover either the writing pen or the input member. The diameter of the cap is smaller that the diameter of the cylindrical body to lessen the chance of it being inadvertently dislodged. | |
