US2008148663A1PendingUtilityA1
Interior structural panel
Est. expiryOct 3, 2026(~0.2 yrs left)· nominal 20-yr term from priority
E04C 2/296
29
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Claims
Abstract
A structural panel for interior use made of a polystyrene foam core of either extruded polystyrene foam (XPF) or an expanded polystyrene foam (EPF) and a rigid face material having a higher density and being thinner than said foam core and attached to each opposed face of said foam core to capture said foam core.
Claims
exact text as granted — not AI-modified1 . A structural panel for interior use, comprising:
a polystyrene foam core; and a rigid face material having a higher density and being thinner than said foam core and attached to each opposed face of said foam core to capture said foam core.
2 . A structural panel as in claim 1 , wherein said foam core is an extruded polystyrene foam (XPF).
3 . A structural panel as in claim 1 , wherein said foam core is an expanded polystyrene foam (EPF).
4 . A structural panel as in claim 2 , wherein said rigid face material is from the group comprising hardboard, fiberboard and various kinds of plywood.
5 . A structural panel as in claim 3 , wherein said rigid face material is from the group comprising hardboard, fiberboard and various kinds of plywood.
6 . A structural panel as in claim 4 , wherein the rigid face material is laminated with moisture resistant glue to said foam core.
7 . A structural panel as in claim 5 , wherein the rigid face material is laminated with moisture resistant glue to said foam core.Join the waitlist — get patent alerts
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