Luggage case
Patent 4254850 Issued on March 10, 1981. Estimated Expiration Date: 
October 29, 1999. 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 29, 1999. 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 2510754 2539993 3141680 3917038 InventorApplicationNo. 06/088875 filed on 10/29/1979US Classes:190/18A, Wheeled16/113.1, Length adjustable pull handle for luggage or luggage cart (e.g., wheeled suitcase handle, etc.)16/34, Swinging280/645, One- or two-wheeled cartD34/25Fully enclosed compartmentExaminersPrimary: Norton, Donald F.Attorney, Agent or FirmInternational ClassesA45C 5/14 (20060101)A45C 5/00 (20060101) AbstractTrunks and luggage having retractable wheels connected to a wheeling handle. The motion of each wheel is controlled by a cam slot so that the wheel moves out when the handle is extended but returns to storage position when the handle is retracted. Any required lost motion in extending the handle is provided by either an interlocking wire loop or a curved cam slot. | |
