Patent US3486503A successfully refreshed from Google Patents.
Patent US3097124A successfully refreshed from Google Patents.
US3097124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating wall board and method of forming same
Assignee: Individual
•
Filing: 1957-08-30
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Granted: 1963-07-09
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Expires: 1977-08-30
Abstract
No abstract record available.
Inventors
- 👤 Denenberg Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:47
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B1/78; E04B1/80; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T156/1057; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/26; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31696
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A HEAT-INSULATING LAMINATED WALL BOARD COMPRISING A CENTRAL IMPERFORATE SHEET OF WET STRENGTH FIBERBOARD, A PAIR OF OUTER SHEETS OF WET STRENGTH FIBERBOARD BONDED TO OPPOSITE SIDES OF THE CENTRAL SHEET, A THIN EXTERNAL FACING SHEET OF HEAT-REFLECTING METAL FOIL BONDED TO THE OUTER SIDE OF EACH OF SAID OUTER FIBERBOARD SHEETS, EACH METAL FOIL FACING SHEET AND ITS UNDERLYING FIBERBOARD SHEET HAVING A LARGE NUMBER OF SMALL HOLES EXTENDING THERETHROUGH AND TERMINATING AT THE CENTRAL IMPERFORATE FIBERBOARD SHEET, SAID HOLES HAVING A DIAMETER OF .01 TP .001 INCH SO THAT WATER MUST BE IN THE FORM OF A VAPOR TO PASS THERETHROUGH, WHEREBY THE SHEETS FORM A STRUCTURE WHICH IS AN EFFICIENT HEAT INSULATOR CAPABLE OF BREATHING.
Claim 2
Dependent Claim
118 words
A HEAT-INSULATING LAMINATED WALL BOARD COMPRISING A CENTRAL IMPERFORATE SHEET OF WET STRENGTH FIBERBOARD, A PAIR OF OUTER SHEETS OF WET STRENGTH FIBERBOARD BONDED TO OPPOSITE SIDES OF THE CENTRAL SHEET, A THIN EXTERNAL FACING SHEET OF HEAT-REFLECTING METAL FOIL BONDED TO THE OUTER SIDE OF EACH OF SAID OUTER FIBERBOARD SHEETS, EACH METAL FOIL FACING SHEET AND ITS UNDERLYING FIBERBOARD SHEET HAVING A LARGE NUMBER OF SMALL HOLES EXTENDING THERETHROUGH AND TERMINATING AT THE CENTRAL IMPERFORATE FIBERBOARD SHEET, SAID HOLES HAVING A DIAMETER OF .01 TP .001 INCH SO THAT WATER MUST BE IN THE FORM OF A VAPOR TO PASS THERETHROUGH, WHEREBY THE SHEETS FORM A STRUCTURE WHICH IS AN EFFICIENT HEAT INSULATOR CAPABLE OF BREATHING.
References Cited (Backward Citations)
US2511816A
Cited
US935903A
Cited
US1914345A
Cited
US2172048A
Cited
US2754240A
Cited
US2726977A
Cited
US2749267A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |