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US3108924A Expired / Lapsed US ⏱️ 0.0 years remaining

Structural element

Assignee: Individual
•
Filing: 1960-04-07
•
Granted: 1963-10-29
•
Expires: 1980-04-07
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Abstract

No abstract record available.

Inventors

  • 👤 Adie George Mountford

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 01:12
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
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US2157374A Cited
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FR1002117A Cited
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FR1047151A Cited
FR1024889A Cited
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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

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