# US 2013/0152495 A1 · Reinforced mull post assembly > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0152495 A1 - Document ID: US20130152495A1 - Status: Published application - Kind: A1 - Application number: 13/764,198 - Filed: 2013-02-11 - Published: 2013-06-20 - Earliest claimed: 2009-01-30 - Assignees: Plastpro 2000, Inc. - Inventors: Pao Yu AN; Albert LIN; Tong MINGYONG - Web page: https://patentgrep.com/patent/US20130152495A1 ## CPC - E06B 1/52: Frames specially adapted for doors - E06B 1/32: Frames composed of parts made of different materials - E06B 1/524: {Mullions; Transoms} - E06B 3/222: {with internal prefabricated reinforcing section members inserted after manufacturing of the hollow frame} - E06B: FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES (shades or blinds for greenhouses A01G9/22; curtains A47H; lids for car boots or bonnets B62D25/10; skylights E04B7/18; sunshades, awnings E04F10/00) ## Abstract A composite reinforced mull post is disclosed for use in an entryway assembly. The mull post may engage a door on one side and a side light window on the other side. The mull post may comprise a one or two piece outer portion and one or more internal reinforcing members. The outer portion may comprise a plurality of interlocking pieces. The pieces may include a stop portion and a support portion, each with interlocking ribs. A first internal reinforcing member may be formed of engineered material such as a wood laminate, and a second reinforcing member may comprise a channel that extends partially around the first reinforcing member. The reinforcing member may include orthogonal portions conterminously received within a correspondingly shaped central chamber formed by the housing formed by the joined interlocking pieces. ## Claims ### Claim at position 1 1-20. (canceled) ### Claim 21 A reinforced mull post, comprising: a stop component including a first stop and a second stop that are spaced apart from one another, the first stop including a first flange disposed along its length, and the second stop including a second stop disposed along its length; a support component including a first support face and a second support face that are spaced apart from one another, the first support face including a third flange configured to engage the first flange of the stop component, and the second support face including a fourth flange configured to engage the second flange of the stop component; and a reinforcing member sized and configured to be received within a cavity defined by the stop component and the support component when the stop component is joined to the support component. ### Claim 22 (depends on 21) The reinforced mull post of claim 21, wherein the first flange defines a first recess that is sized and configured to receive a first rib extending from the third flange, and wherein the second flange defines a second recess that is sized and configured to receive a second rib extending from the fourth flange. ### Claim 23 (depends on 21) The reinforced mull post of claim 21, wherein the cavity includes a transverse void section and a longitudinal void section when the stop component is joined to the support component. ### Claim 24 (depends on 23) The reinforced mull post of claim 23, wherein the reinforcing member includes a transverse portion that is sized and configured to be received within the transverse void section and a longitudinal portion that is sized and configured to be received within the longitudinal void section. ### Claim 25 A reinforced mull post assembly, comprising: a housing defining a cavity including a transverse void section and a longitudinal void section, the housing including a stop component comprising a first stop and a second stop that are spaced apart from one another, the first stop including a first flange disposed along its length, and the second stop including a second stop disposed along its length, and a support component comprising a first support face and a second support face that are spaced apart from one another, the first support face including a third flange that engages the first flange of the stop component, and the second support face including a fourth flange that engages the second flange of the stop component; and a reinforcing member disposed within the cavity defined by the housing. ### Claim 26 (depends on 25) The reinforced mull post assembly of claim 25, wherein the reinforcing member includes a transverse portion disposed within the transverse void section and a longitudinal portion disposed within the longitudinal void section. ### Claim 27 (depends on 25) The reinforced mull post assembly of claim 25, wherein the first flange defines a first recess that receives a first rib extending from the third flange, and the second flange defines a second recess that receives a second rib extending from the fourth flange. ### Claim 28 (depends on 25) The reinforced mull post assembly of claim 25, wherein the first stop is spaced apart from an exterior surface of the first support face to define a first slot therebetween, and wherein the second stop is spaced apart from an exterior surface of the second support face to define a second slot therebetween. ### Claim 29 (depends on 28) The reinforced mull post assembly of claim 28, wherein the first support face and the second support face each include a respective ridge outwardly extending therefrom. ### Claim 30 (depends on 25) The reinforced mull post assembly of claim 25, wherein the reinforcing member includes one of engineered wood and laminated veneer lumber. ### Claim 31 (depends on 25) The reinforced mull post assembly of claim 25, wherein the reinforcing member includes steel. ### Claim 32 (depends on 25) The reinforced mull post assembly of claim 25, wherein the support component includes an external portion formed from a first material and an internal portion formed from a second material. ### Claim 33 (depends on 32) The reinforced mull post assembly of claim 32, wherein the first material includes a wood composite and the second material includes PVC. ### Claim 34 (depends on 25) The reinforced mull post assembly of claim 25, wherein the stop component includes an interior portion formed from a first material and an exterior portion formed from a second material. ### Claim 35 (depends on 34) The reinforced mull post assembly of claim 34, wherein the first material includes a wood composite and the second material includes PVC.