Patent US4193239A successfully refreshed from Google Patents.
US4193239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated wall or ceiling assembly
Assignee: Individual
•
Filing: 1978-06-27
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Granted: 1980-03-18
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Expires: 1998-06-27
Abstract
Abstract A wall or ceiling of reusable concrete form assembly which requires no outside support or fasteners and in which interlocking extrusions are adapted to hold panels in tension and where the extrusions have mating portions which can be bent or crimped to join the extrusions and where the tension in the panels is translated back to the extrusions causing them to be more firmly joined.
Inventors
- 👤 LeRoy Barto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:05
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A wall or ceiling assembly comprised of two elongated units each having at least three panel engaging arms placed at an angle to the body of the units whereby panels so engaged are placed in tension, the elongated units having integral mating means for mating or crimping one of the mating means to the other, panels engaged by the panel engaging arms of the elongated units whereby tension in the panels caused by the angle of installation is transmitted back to the elongated units causing said elongated units to be pressed together said panels overlying one another with a space therebetween and insulating material contained in said space between the panels.
Claim 2
Dependent Claim
111 words
A wall or ceiling assembly comprised of two elongated units each having at least three panel engaging arms placed at an angle to the body of the units whereby panels so engaged are placed in tension, the elongated units having integral mating means for mating or crimping one of the mating means to the other, panels engaged by the panel engaging arms of the elongated units whereby tension in the panels caused by the angle of installation is transmitted back to the elongated units causing said elongated units to be pressed together said panels overlying one another with a space therebetween and insulating material contained in said space between the panels.
References Cited (Backward Citations)
US3254462A
Cited
US3386220A
Cited
US3513608A
Cited
US3641729A
Cited
US3719013A
Cited
US4057941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-03-18 | 1983-09-17 | 1984-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-03-18 | 1987-09-17 | 1988-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-03-18 | 1991-09-17 | 1992-03-18 | $7700.00 | Window Closed / Lapsed |