US3736715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated walls
Assignee: Nomeco Building Specialties Inc
•
Filing: 1971-09-15
•
Granted: 1973-06-05
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Expires: 1991-09-15
Abstract
Abstract A prefabricated load-supporting building panel is disclosed. The panel consists of a metal stud frame to which a sheet of moisture proof gypsum board is affixed. A thickness of molded polystyrene, supported by a peripheral casing attached to the frame, is bonded to the gypsum board. Exterior finish for the panel consists of synthetic plastic which is trowled onto a glass fiber fabric bonded to the polystyrene.
Inventors
- 👤 L Krumwiede
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:19
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/38; E04C2/384; E04C2/02; E04C2/26; E04C2/284
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
24 words
The building panel defined by claim 1, wherein the supportive frame is rectangular in shape and comprises a plurality of channel-shaped, metal stud members.
Claim 2
Dependent Claim
15 words
The building panel defined by claim 1, wherein said sheathing board comprises moisture proof gypsum.
Claim 3
Dependent Claim
13 words
The building panel defined by claim 1, wherein said insulating material comprises polystyrene.
Claim 4
Dependent Claim
16 words
The building panel defined by claim 4, wherein the polystyrene is bonded to the sheathing board.
Claim 5
Dependent Claim
44 words
The building panel defined by claim 1, wherein the finish layer comprises: a. a layer of lath comprising glass fiber fabric affixed to the insulating material with a cementitious adhesive; b. and a finish coat of synthetic plastic material covering the layer of lath.
Claim 6
Dependent Claim
168 words
A load-bearing prefabricated building panel comprising: a. a supportive, load-bearing frame of predetermined shape and thickness formed from a plurality of interconnected metal stud members, the frame defIning inner and outer planar surfaces; b. a predetermined thickness of moisture proof gypsum board affixed to the outer planar surface of the frame; c. a plastic peripheral casing conforming in shape to the supportive frame and gypsum board and affixed thereto, the casing being constructed to define a receiving channel of predetermined depth extending around the gypsum board periphery; d. a block of self-supporting, low density thermal insulating material conforming in shape to the peripheral casing and having a thickness corresponding to the depth thereof, the insulation block being retainably disposed in said receiving channel and adhesively secured to the moisture proof gypsum board; e. a layer of lath comprising an open weave glass fiber fabric adhesively secured to the insulation block in covering relation therewith; f. and a finish coat of synthetic plastic material covering the layer of lath.
Claim 7
Dependent Claim
12 words
The panel defined by claim 7, wherein the insulating material comprises polystyrene.
Claim 8
Dependent Claim
14 words
The panel defined by claim 7, wherein the supportive frame is rectangular in shape.
Claim 9
Dependent Claim
27 words
The panel defined by claim 7, wherein the peripheral casing further comprises a removable section permitting the receipt of said insulation block in said peripheral receiving channel.
References Cited (Backward Citations)
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US2844848A
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Cited
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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) | 1976-06-04 | 1976-12-04 | 1977-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-04 | 1980-12-04 | 1981-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-04 | 1984-12-04 | 1985-06-05 | $7700.00 | Window Closed / Lapsed |