US3025198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light transmitting insulated roof panel
Assignee: Individual
•
Filing: 1959-06-10
•
Granted: 1962-03-13
•
Expires: 1979-06-10
Abstract
No abstract record available.
Inventors
- 👤 Harold S Dunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:01
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/24; E04D3/28; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24612; Y10T428/249921; Y10T428/249953; Y10T428/249987
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A ROFF PANEL COMPRISING AN OUTER TRANSLUCENT SHEET OF POLYESTER RESIN, AND A LAYER OF CELLULAR SEMI-OPAQUE HEAT INSULATING PLASTICS MATERIAL HAVING A FLAT FACE ADHESIVELY BONDED TO ONE SIDE OF SAID SHEET, SAID LAYER HAVING A MULTIPLICITY OF CLOSELY SPACED CONCAVE RECESSES FORMED IN ITS SIDE REMOTE FROM SAID SHEET, SAID RECESSES BEING UNCOVERED AND EXPOSED AND FORMING REGIONS OF DECREASED THICKNESS IN SAID LAYER ENHABLING SAID LAYER TO TRANSMIT SUBSTANTIAL FRACTIONS OF THE LIGHT TRANSMITTED THROUGH SAID SHEET.
Claim 2
Dependent Claim
80 words
A ROFF PANEL COMPRISING AN OUTER TRANSLUCENT SHEET OF POLYESTER RESIN, AND A LAYER OF CELLULAR SEMI-OPAQUE HEAT INSULATING PLASTICS MATERIAL HAVING A FLAT FACE ADHESIVELY BONDED TO ONE SIDE OF SAID SHEET, SAID LAYER HAVING A MULTIPLICITY OF CLOSELY SPACED CONCAVE RECESSES FORMED IN ITS SIDE REMOTE FROM SAID SHEET, SAID RECESSES BEING UNCOVERED AND EXPOSED AND FORMING REGIONS OF DECREASED THICKNESS IN SAID LAYER ENHABLING SAID LAYER TO TRANSMIT SUBSTANTIAL FRACTIONS OF THE LIGHT TRANSMITTED THROUGH SAID SHEET.
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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) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |