US2757116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural panel and method of making same
Assignee: Individual
•
Filing: 1953-04-08
•
Granted: 1956-07-31
•
Expires: 1973-04-08
Abstract
No abstract record available.
Inventors
- 👤 Clements Macmillan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:41
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284; E04C2/292; Y; Y10; Y10T; Y10T428/00; Y10T428/23; Y10T428/237
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
109 words
A METHOD OF MAKING A PANEL FOR USE IN BUILDING CONSTRUCTION AND REFRIGERATORS COMPRISING THE STEPS OF PROVIDING AN OUTER SKIN OF METALLIC MATERIAL BETWEEN ABOUT .015 GAUGE HALF HARD TO ABOUT .012 GAUGE DEAD SOFT, PROVIDING A SUBSTANTIALLY RIGID NON-METALLIC LAYER AND A LAYER OF METALLIC FOIL, SAID LAYERS AND SAID SKIN BEING SUBSTANTIALLY COEXTENSIVE BONDING SAID SKIN AND SAID LAYER OF METALLIC FOIL TO OPPOSITE SIDE FACES OF SAID NON-METALLIC LAYER TO FORM A LAMINATED SHEET, ASSEMBLING A PAIR OF SAID SHEETS IN FIXED SPACED PARALLEL RELATION WITH THE LAYERS OF METALLIC FOIL FACING EACH OTHER, AND FILLING THE SPACE BETWEEN SAID SHEETS WITH AN INSULATING MATERIAL.
Claim 2
Independent Claim
109 words
A METHOD OF MAKING A PANEL FOR USE IN BUILDING CONSTRUCTION AND REFRIGERATORS COMPRISING THE STEPS OF PROVIDING AN OUTER SKIN OF METALLIC MATERIAL BETWEEN ABOUT .015 GAUGE HALF HARD TO ABOUT .012 GAUGE DEAD SOFT, PROVIDING A SUBSTANTIALLY RIGID NON-METALLIC LAYER AND A LAYER OF METALLIC FOIL, SAID LAYERS AND SAID SKIN BEING SUBSTANTIALLY COEXTENSIVE BONDING SAID SKIN AND SAID LAYER OF METALLIC FOIL TO OPPOSITE SIDE FACES OF SAID NON-METALLIC LAYER TO FORM A LAMINATED SHEET, ASSEMBLING A PAIR OF SAID SHEETS IN FIXED SPACED PARALLEL RELATION WITH THE LAYERS OF METALLIC FOIL FACING EACH OTHER, AND FILLING THE SPACE BETWEEN SAID SHEETS WITH AN INSULATING MATERIAL.
Claim 3
Dependent Claim
115 words
A PANEL FOR USE IN BUILDING CONSTRUCTION AND REFRIGERATORS COMPRISING A FRAME HAVING A FIRST PAIR AND A SECOND PAIR OF OPPOSITE FACES, TWO SHEETS OF LAMINATED MATERIAL, ONE OF SAID LAMINATED SHEETS EXTENDING ACROSS EACH OF SAID FIRST PAIR OF OPPOSITE FACES OF SAID FRAME SO AS TO FORM WITH SAID FRAME AN ENCLOSED SPACE, EACH OF SAID LAMINATED SHEETS OF MATERIAL BEING OF A LARGER AREA THAN THE AREA DEFINED BY SAID FRAME OVER WHICH THEY EXTEND, TWO OPPOSITE EDGES OF EACH OF SAID LAMINATED SHEETS EXTENDING BEYOND OPPOSITE SIDE EDGES OF SAID FRAME AND FORMING RIGHT ANGLE FLANGES WHICH OVERLAP SAID SECOND PAIR OF OPPOSITE FACES ON SAID FRAME, MEANS FOR ATTACH-
Claim 4
Dependent Claim
115 words
A PANEL FOR USE IN BUILDING CONSTRUCTION AND REFRIGERATORS COMPRISING A FRAME HAVING A FIRST PAIR AND A SECOND PAIR OF OPPOSITE FACES, TWO SHEETS OF LAMINATED MATERIAL, ONE OF SAID LAMINATED SHEETS EXTENDING ACROSS EACH OF SAID FIRST PAIR OF OPPOSITE FACES OF SAID FRAME SO AS TO FORM WITH SAID FRAME AN ENCLOSED SPACE, EACH OF SAID LAMINATED SHEETS OF MATERIAL BEING OF A LARGER AREA THAN THE AREA DEFINED BY SAID FRAME OVER WHICH THEY EXTEND, TWO OPPOSITE EDGES OF EACH OF SAID LAMINATED SHEETS EXTENDING BEYOND OPPOSITE SIDE EDGES OF SAID FRAME AND FORMING RIGHT ANGLE FLANGES WHICH OVERLAP SAID SECOND PAIR OF OPPOSITE FACES ON SAID FRAME, MEANS FOR ATTACH-
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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) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |