Concrete masonry unit (CMU) vertical reinforcement and anchor bolt positioning device
Patent 6571526 Issued on June 3, 2003. Estimated Expiration Date: 
February 21, 2022. 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.
February 21, 2022. 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 2020017 3292335 3694989 Locator for vertical reinforcing bars Foundation reinforcement chairs Universal spacer for concrete reinforcement rods Spacing member Method and apparatus for supporting reinforcement members Device for supporting and connecting reinforcing elements for concrete structures Rebar support system InventorApplicationNo. 081069 filed on 02/21/2002US Classes:52/677, Spacer-positioner; e.g., rebar chair52/431, Module reinforcement anchored in section52/686Crossed supported member typeExaminersPrimary: Friedman, Carl D.Assistant: McDermott, Kevin Attorney, Agent or FirmInternational ClassesE04C 005/16E04B 002/00 AbstractA positioning device for positioning a reinforcement bar within a masonry block. The positioning device includes a core with a central opening and an openable seam, a support structure having support arms connected to the core and arranged and configured for holding the positioning device in a desired position in a cavity of the masonry block. The core is arranged and configured such that a gap can be formed along the seam, the gap being configured to receive the reinforcement bar, and the core encloses the reinforcement bar within the central opening when the gap is closed.Field of SearchSpacer-positioner; e.g., rebar chairCrossed supported member type Module reinforcement anchored in section Plural feet or seat Utilizing discrete dissimilar material tie Tie between block-type units Spaced barrier sections with dissimilar material tie With transverse tie Separable, bonded tie between modules | |
