Patent US3108924A successfully refreshed from Google Patents.
US3108924A
Expired / Lapsed
US
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Structural element
Assignee: Individual
•
Filing: 1960-04-07
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Granted: 1963-10-29
•
Expires: 1980-04-07
Abstract
No abstract record available.
Inventors
- 👤 Adie George Mountford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:08
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/34; E04C2/3405; E04C2002/3411; E04C2002/3422; E04C2002/3433; E04C2002/3438; E04C2002/3472; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/1241; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24612
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A BUILDING SLAB OR ELEMENT COMPRISING A NUMBER OF SUPERIMPOSED RELATIVELY THIN SHEETS CONSISTING OF SPACED OUTERMOST SHEETS AND AT LEAST THREE INTERMEDIATE SHEETS, THE INTERMEDIATE SHEETS HAVING A REGULAR SERIES OF TRUNCATED DIMPLES FORMED THEREIN ARRANGED ON A RECTANGULAR GRID, SAID SIMPLES HAVING THEIR SIDES ALL DISPOSED AT THE SAME SLOPE, THE SAID SHEETS BEING DISPOSED IN JUXTAPOSITION, THE APEX OF THE DIMPLES IN EACH SAID INTERMEDIATE SHEET BEING NESTED WITH A DIMPLE IN AN ADJACENT INTERMEDIATE SHEET AND IN CONTACT WITH THE APEX OF THE DIMPLES WITH WHICH THEY ARE NESTED, THE DEPTH OF THE DIMPLES IN THE SHEETS DECREASING IN AMOUNT BY A FACTOR OF TWO FROM
Claim 2
Dependent Claim
110 words
A BUILDING SLAB OR ELEMENT COMPRISING A NUMBER OF SUPERIMPOSED RELATIVELY THIN SHEETS CONSISTING OF SPACED OUTERMOST SHEETS AND AT LEAST THREE INTERMEDIATE SHEETS, THE INTERMEDIATE SHEETS HAVING A REGULAR SERIES OF TRUNCATED DIMPLES FORMED THEREIN ARRANGED ON A RECTANGULAR GRID, SAID SIMPLES HAVING THEIR SIDES ALL DISPOSED AT THE SAME SLOPE, THE SAID SHEETS BEING DISPOSED IN JUXTAPOSITION, THE APEX OF THE DIMPLES IN EACH SAID INTERMEDIATE SHEET BEING NESTED WITH A DIMPLE IN AN ADJACENT INTERMEDIATE SHEET AND IN CONTACT WITH THE APEX OF THE DIMPLES WITH WHICH THEY ARE NESTED, THE DEPTH OF THE DIMPLES IN THE SHEETS DECREASING IN AMOUNT BY A FACTOR OF TWO FROM
References Cited (Backward Citations)
USRE19301E
Cited
US1802522A
Cited
US1875188A
Cited
US2089893A
Cited
US2157374A
Cited
US2333343A
Cited
US2549189A
Cited
FR1002117A
Cited
US2481046A
Cited
FR1047151A
Cited
FR1024889A
Cited
US2809908A
Cited
US3013641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |