Patent US4254178A successfully refreshed from Google Patents.
US4254178A
Expired / Lapsed
US
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Material for producing a layered building panel
Assignee: Individual
•
Filing: 1979-11-05
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Granted: 1981-03-03
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Expires: 1999-11-05
Abstract
Abstract A building panel of a layered design with textured inner and outer layers separated by a core to form a wall unit. The inner and outer layers are composed of a mixture of urea-formaldehyde resin, water, plaster and a curing agent. The core is composed of similar materials with an insulation material added.
Inventors
- 👤 Carl W. Church
- 👤 Roderick C. Church
- 👤 Daniel K. Church
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:24
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284; E04C2/288; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24612; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249991; Y10T428/249992; Y10T428/25; Y10T428/252; Y10T428/253; Y10T428/31504; Y10T428/31942; Y10T428/31946
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
46 words
A building panel comprising an inner layer and an outer layer, said inner and outer layer being formed from a facing material consisting of a mixture of ureaformaldehyde resin, water, plaster and an HCl curing agent, an insulative core material separating said inner and outer layers.
Claim 2
Dependent Claim
46 words
A building panel comprising an inner layer and an outer layer, said inner and outer layer being formed from a facing material consisting of a mixture of ureaformaldehyde resin, water, plaster and an HCl curing agent, an insulative core material separating said inner and outer layers.
Claim 3
Dependent Claim
27 words
The panel of claim 1 wherein said facing material is composed by weight of: ______________________________________
Urea-Formaldehyde resin 20-25%
Water 24-30%
Plaster 45-55%
HCl curing agent 1-2%
______________________________________
Claim 4
Dependent Claim
27 words
The panel of claim 2 wherein said facing material is composed by weight of: ______________________________________
Urea-Formaldehyde resin 22.7%
Water 26.5%
Plaster 49.2%
HCl curing agent 1.6%
______________________________________
Claim 5
Dependent Claim
25 words
The panel of claim 1 wherein said core material is composed of a urea-formaldehyde resin, water, plaster, an HCl curing agent and an insulating material.
Claim 6
Dependent Claim
25 words
The panel of claim 4 wherein said insulating material is one of a group of insulators consisting of paper mache, hammermill cardboard and glass beads.
Claim 7
Dependent Claim
30 words
The panel of claim 5 wherein said core material is composed by weight of: ______________________________________
Urea-Formaldehyde resin 11-18%
Water 13-20%
Plaster 24-38%
HCl curing agent .5-1.5%
Insulating material 25-50%
______________________________________
Claim 8
Dependent Claim
27 words
The panel of claim 6 wherein said core material is composed of: ______________________________________
Urea-Formaldehyde 15.9%
Water 18.5%
Plaster 34.4%
HCl curing agent 1.2%
Insulating material 30%
______________________________________
Claim 9
Dependent Claim
25 words
The panel of claim 1 wherein one of said inner layer and said outer layer has an external facing, said facing having a textured surface.
Claim 10
Dependent Claim
21 words
The panel of claim 1 wherein said inner and outer layers have an external facing, said facing having a textured surface.
Claim 11
Dependent Claim
14 words
The panel of claim 1 wherein said core material is of a styrofoam composition.
Claim 12
Dependent Claim
39 words
A building panel having an outer face and an insulative inner layer at said outer face, said outer face being formed from a facing material which is a mixture of urea-formaldehyde resin, water, plaster, and an HCl curing agent.
Claim 13
Dependent Claim
39 words
A building panel having an outer face and an insulative inner layer at said outer face, said outer face being formed from a facing material which is a mixture of urea-formaldehyde resin, water, plaster, and an HCl curing agent.
Claim 14
Dependent Claim
27 words
The panel of claim 11 wherein said facing material is composed by volume of: ______________________________________
Urea-Formaldehyde resin 20-25%
Water 24-30%
Plaster 45-55%
HCl curing agent 1-2%
______________________________________
Claim 15
Dependent Claim
24 words
The panel of claim 11 wherein said inner layer is composed of urea-formaldehyde resin, water, plaster, an HCl curing agent and an insulating material.
Claim 16
Dependent Claim
25 words
The panel of claim 13 wherein said insulating material is one of a group of insulators consisting of paper mache, hammermill cardboard and glass beads.
Claim 17
Dependent Claim
31 words
The panel of claim 14 wherein said inner layer material is composed by weight of: ______________________________________
Urea-Formaldehyde resin 11-18%
Water 13-20%
Plaster 24-38%
HCl curing agent .5-1.5%
Insulation material 25-50%
______________________________________
Claim 18
Dependent Claim
27 words
The panel of claim 12 wherein said facing material is composed by weight of: ______________________________________
Urea-Formaldehyde resin 22.7%
Water 26.5%
Plaster 49.2%
HCl curing agent 1.6%
______________________________________
Claim 19
Dependent Claim
29 words
The panel of claim 15 wherein said inner layer is composed by weight of: ______________________________________
Urea-Formaldehyde 15.9%
Water 18.6%
Plaster 34.4%
HCl curing agent 1.1%
Insulating material 30%
______________________________________
Claim 20
Dependent Claim
13 words
The panel of claim 11 wherein said outer face has a textured surface.
Claim 21
Dependent Claim
15 words
The panel of claim 11 wherein said inner layer material is of a styrofoam composition.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-03-02 | 1984-09-01 | 1985-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-02 | 1988-09-01 | 1989-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-02 | 1992-09-01 | 1993-03-03 | $7700.00 | Window Closed / Lapsed |