Patent US3386218A successfully refreshed from Google Patents.
US3386218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building panel with ribbed sealing element between overlapping edges
Assignee: ELWIN G SMITH AND CO Inc
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Filing: 1966-06-08
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Granted: 1968-06-04
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Expires: 1986-06-08
Abstract
No abstract record available.
Inventors
- 👤 Harley D Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:05
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/66; E04B1/68; E04B1/6803; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284; E04C2/292
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A RIGID BUILDING PANEL COMPRISING SPACED, PARALLEL FRONT AND REAR SHEETS HAVING MOLDED THEREBETWEEN AN INSULATING, FOAMED RIGID CORE MATERIAL, ONE SIDE EDGE OF SAID SHEETS BEING BENT AND OFFSET INWARDLY AND ENGAGING AN EDGE PORTION OF SAID MATERIAL SO AS TO FORM A PANEL EDGE PORTION OF REDUCED THICKNESS, A SEALING ELEMENT IN THE FORM OF A PLURALITY OF FLEXIBLE RIBS SURROUNDING EACH OF THE EDGES OF SAID OFFSET PORTION OF SAID INSULATING MATERIAL, THE OTHER SIDE OF SAID PANEL BEING FORMED BY A CHANNEL HAVING OUTWARDLY EXTENDING FLANGES ENGAGING THE INNER SURFACES OF SAID SHEETS AND BEING ENGAGED BY 180* BENT END PORTIONS OF SAID SHEETS TO FORM A FEMALE MEMBER INTO WHICH A MALE MEMBER OF AN ADJOINING PANEL MAY PROJECT TO FORM A SEAL FOR RESISTING AIR AND WATER PENETRATION, WHICH WILL ALLOW FOR EXPANSION AND CONTRACTION OF THE SHEETS FROM TEMPERATURE CHANGES, AND WHICH WILL ALLOW FOR VARIATIONS IN ALIGNMENT.
Claim 2
Dependent Claim
155 words
A RIGID BUILDING PANEL COMPRISING SPACED, PARALLEL FRONT AND REAR SHEETS HAVING MOLDED THEREBETWEEN AN INSULATING, FOAMED RIGID CORE MATERIAL, ONE SIDE EDGE OF SAID SHEETS BEING BENT AND OFFSET INWARDLY AND ENGAGING AN EDGE PORTION OF SAID MATERIAL SO AS TO FORM A PANEL EDGE PORTION OF REDUCED THICKNESS, A SEALING ELEMENT IN THE FORM OF A PLURALITY OF FLEXIBLE RIBS SURROUNDING EACH OF THE EDGES OF SAID OFFSET PORTION OF SAID INSULATING MATERIAL, THE OTHER SIDE OF SAID PANEL BEING FORMED BY A CHANNEL HAVING OUTWARDLY EXTENDING FLANGES ENGAGING THE INNER SURFACES OF SAID SHEETS AND BEING ENGAGED BY 180* BENT END PORTIONS OF SAID SHEETS TO FORM A FEMALE MEMBER INTO WHICH A MALE MEMBER OF AN ADJOINING PANEL MAY PROJECT TO FORM A SEAL FOR RESISTING AIR AND WATER PENETRATION, WHICH WILL ALLOW FOR EXPANSION AND CONTRACTION OF THE SHEETS FROM TEMPERATURE CHANGES, AND WHICH WILL ALLOW FOR VARIATIONS IN ALIGNMENT.
References Cited (Backward Citations)
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US2589633A
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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) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |