Method of opening a box
Patent 6938808 Issued on September 6, 2005. Estimated Expiration Date: 
June 17, 2023. 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.
June 17, 2023. 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 2896318 3130884 Box top opener Box top opener Method for opening a tab on a cardboard box Patent #: 5899372 InventorAssigneeApplicationNo. 10464719 filed on 06/17/2003US Classes:225/1METHODSExaminersPrimary: Dexter, Clark F.Attorney, Agent or FirmInternational ClassB67B007/00AbstractA box opener that includes a shaft extending along a longitudinal dimension. The shaft supports a box broaching wedge, operatively supported by the end of the shaft. The wedge narrowing from a base that is at least 2 cm (0.79 in) in dimension transverse to the longitudinal dimension of the shaft to a blunt edge spaced from the base by at least 2 cm (0.79 in).Field of SearchMETHODSWith preliminary weakening BREAKING OR TEARING APPARATUS Movable breaking tool Breaking tool intermediate spaced work supports RECEPTACLE OPENER OR CLOSURE REMOVER CROWBAR OR PRYBAR CARTON OPENERS Including punch Including punch With prime mover to drive cutter relative to can PACKAGE UNFOLDING OR OPENING WITH INSERTION OF ADDITIONAL CONTENTS Means to open flap, e.g., carton, flap, box lid, etc. Box, carton Opening prior to filling and closing Opening only With impaling or inserting remover Impaling or inserting type With lateral projection or abutment | |
