Patent US3096053A successfully refreshed from Google Patents.
US3096053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low density construction material
Assignee: General Grid Corp
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Filing: 1960-11-17
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Granted: 1963-07-02
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Expires: 1980-11-17
Abstract
No abstract record available.
Inventors
- 👤 Theodore P Pajak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:34
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0025; B29D99/0089; B64; B64C; B64C27/00; B64C27/32; B64C27/46; B64C27/473; E; E04; E04C; E04C2/00; E04C2/30; E04C2/34; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T156/1007; Y10T156/1016; Y10T156/102; Y10T156/1052; Y10T156/1062; Y10T156/1064; Y10T428/00; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
79 words
A LAMINATED, LIGHTWEIGHT AIRFOIL CORE HAVING A LEADING EDGE AND A TRAILING EDGE COMPRISING, A PLURALITY OF LINEARLY CORRUGATED FLAT SHEETS OF METAL FOIL ADHESIVELY BONDED TOGETHER AT ALL CONTACTING SURFACES IN FACE-TO-FACE RELATION, THE CORRUGATIONS OF ALTERNATE SHEETS BEING ANGULARLY INCLINED AND OPPOSED TO CROSS THOSE OF ADJACENT SHEETS, WHEREBY SAID CROSSED CORRUGATIONS FORM RIGID TRUSS-LIKE STRUCTURES, THE LONGITUDINAL AXES OF ALL THE LINEAR CORRUGATIONS OF SAID PLURALITY OF FLAT SHEETS BEING DISPOSED OBLIQUELY TO SAID LEADING EDGE.
Claim 2
Dependent Claim
79 words
A LAMINATED, LIGHTWEIGHT AIRFOIL CORE HAVING A LEADING EDGE AND A TRAILING EDGE COMPRISING, A PLURALITY OF LINEARLY CORRUGATED FLAT SHEETS OF METAL FOIL ADHESIVELY BONDED TOGETHER AT ALL CONTACTING SURFACES IN FACE-TO-FACE RELATION, THE CORRUGATIONS OF ALTERNATE SHEETS BEING ANGULARLY INCLINED AND OPPOSED TO CROSS THOSE OF ADJACENT SHEETS, WHEREBY SAID CROSSED CORRUGATIONS FORM RIGID TRUSS-LIKE STRUCTURES, THE LONGITUDINAL AXES OF ALL THE LINEAR CORRUGATIONS OF SAID PLURALITY OF FLAT SHEETS BEING DISPOSED OBLIQUELY TO SAID LEADING EDGE.
Claim 3
Independent Claim
88 words
A METHOD OF CONSTRUCTING A LIGHTWEIGHT CORE UNIT OF THE TRUSS-GRID TYPE WHICH COMPRISES THE STEPS OF CORRUGATING A STRIP OF FOIL MATERIAL SO AS TO PROVIDE A RIDGE-LIKE BONDING AREA AT THE CREST OF THE CORRUGATION, COATING THE RIDGE-LIKE BONDING AREAS ONLY OF THE CORRUGATIONS WITH AN ADHESIVE, SLITTING THE CORRUGATED MATERIAL AT AN ANGLE OF SUBSTANTIALLY 45* TO THE CORRUGATIONS, LEAVING THE CRESTS ON ONE SIDE INTACT, FOLDING THE STRIP ON THE INTACT CRESTS SO THAT CRESTS CROSS AT SUBSTANTIALLY 90* AND BONDING THE CROSSED CRESTS.
Claim 4
Independent Claim
88 words
A METHOD OF CONSTRUCTING A LIGHTWEIGHT CORE UNIT OF THE TRUSS-GRID TYPE WHICH COMPRISES THE STEPS OF CORRUGATING A STRIP OF FOIL MATERIAL SO AS TO PROVIDE A RIDGE-LIKE BONDING AREA AT THE CREST OF THE CORRUGATION, COATING THE RIDGE-LIKE BONDING AREAS ONLY OF THE CORRUGATIONS WITH AN ADHESIVE, SLITTING THE CORRUGATED MATERIAL AT AN ANGLE OF SUBSTANTIALLY 45* TO THE CORRUGATIONS, LEAVING THE CRESTS ON ONE SIDE INTACT, FOLDING THE STRIP ON THE INTACT CRESTS SO THAT CRESTS CROSS AT SUBSTANTIALLY 90* AND BONDING THE CROSSED CRESTS.
References Cited (Backward Citations)
US520366A
Cited
CA446356A
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US1100064A
Cited
US1915626A
Cited
US1955833A
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GB450524A
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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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |