US3146155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction materials
Assignee: Denver Golden Research and Development Corp
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Filing: 1961-07-17
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Granted: 1964-08-25
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Expires: 1981-07-17
Abstract
No abstract record available.
Inventors
- 👤 Trenner Lewis Edmound
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:02
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/34; E06; E06B; E06B3/00; E06B3/66; E06B3/67; E06B3/6715; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24744; Y10T428/249921; Y10T428/249922
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
94 words
AS A NEW ARTICLE OF MANUFACTURE, A BUILDING PANEL COMPRISING TWO RELATIVELY STIFF SHEETS OF LIGHT-PERMEABLE MATERIAL COMPOSED OF GLASS FIBERS SUBSTANTIALLY UNIFORMLY DISTRIBUTED THROUGH AND SUSPENDED IN A RESINOUS BINDER, AND A PLURALITY OF SPACED HELICAL REINFORCING MEMBERS SHAPED AS TUBES OF SUBSTANTIALLY UNIFORM DIAMETER SANDWICHED BETWEEN SAID SHEETS WITH THEIR LENGTHWISE AXES SUBSTANTIALLY PARALLEL TO THE SHEETS AND BONDED THERETO AT POINTS OF CONTACT TO FORM AN INTEGRAL PANEL, AND EACH SAID REINFORCING MEMBER BEING MORE ELASTIC THAN SAID SHEETS AND COMPOSED OF CONTINUOUS ROVINGS OF FIBER SUSPENDED IN A RESINOUS BINDER.
Claim 2
Dependent Claim
94 words
AS A NEW ARTICLE OF MANUFACTURE, A BUILDING PANEL COMPRISING TWO RELATIVELY STIFF SHEETS OF LIGHT-PERMEABLE MATERIAL COMPOSED OF GLASS FIBERS SUBSTANTIALLY UNIFORMLY DISTRIBUTED THROUGH AND SUSPENDED IN A RESINOUS BINDER, AND A PLURALITY OF SPACED HELICAL REINFORCING MEMBERS SHAPED AS TUBES OF SUBSTANTIALLY UNIFORM DIAMETER SANDWICHED BETWEEN SAID SHEETS WITH THEIR LENGTHWISE AXES SUBSTANTIALLY PARALLEL TO THE SHEETS AND BONDED THERETO AT POINTS OF CONTACT TO FORM AN INTEGRAL PANEL, AND EACH SAID REINFORCING MEMBER BEING MORE ELASTIC THAN SAID SHEETS AND COMPOSED OF CONTINUOUS ROVINGS OF FIBER SUSPENDED IN A RESINOUS BINDER.
Claim 3
Dependent Claim
35 words
THE BUILDING PANEL OF CLAIM 1, IN WHICH THE REINFORCING MEMBERS ARE DISPOSED IN PARALLEL IN TWO SETS WITH THE MEMBERS OF ONE SET INTERSECTING THE MEMBERS OF THE OTHER SET AT SUBSTANTIALLY RIGHT ANGLES.
References Cited (Backward Citations)
DE14079C
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US2095369A
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US2399744A
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US2477852A
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US2561781A
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FR1085331A
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US2978529A
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US2954076A
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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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |