Bingo chip bell
Patent 4620739 Issued on November 4, 1986. Estimated Expiration Date: 
December 17, 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.
December 17, 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 2417762 2733948 2733949 2947563 2970002 2970003 2976075 3771084 InventorApplicationNo. 06/682692 filed on 12/17/1984US Classes:294/65.5, MAGNET273/148RGAMES ACCESSORIESExaminersPrimary: Cherry, Johnny D.Attorney, Agent or FirmInternational ClassesA63F 3/06 (20060101)H01F 7/02 (20060101) A63F 9/00 (20060101) AbstractA bingo chip retrieving device including a molded cylindrical casing having a bottom wall and an open top, a cover closing the open top of the casing and having a cylindrical guide tube, a plunger mounted for reciprocal motion in the guide tube, a magnet mounted on the end of the plunger in the casing for attracting magnetically attractable chips against the bottom wall, and a spring connecting the guide tube to the plunger for biasing the magnet away from the bottom wall to release the chips from the magnetic force of the magnet. | |
