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US2831793A Expired / Lapsed US ⏱️ 0.0 years remaining

Composite veneer or plywood panel

Assignee: —
•
Filing: —
•
Granted: 1958-04-22
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Expires: 1975-04-22
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 18:29
CPC Classifications
B; B27; B27D; B27D1/00; B27D1/04; B27D1/06; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/24339; Y10T428/24942; Y10T428/24992; Y10T428/249921; Y10T428/249953; Y10T428/249962; Y10T428/249964; Y10T428/249965; Y10T428/249966; Y10T428/25; Y10T428/253; Y10T428/26

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 178 words
A COMPOSITE WOOD VENEER PANEL INCLUDING A FIBROUSS LIGNO-CELLULOSE PARTICLE CORE CONSISTING OF FIBROUS WOODY PARTICLES BONDED TOGETHER, AND A THIN POROUS WOOD VENEER LAYER BONDED TO A SURFACE OF THE CORE, THE VENEER LAYER BEING DRY BUT HAVING THE SAME ACROSS-THE-GRAIN WIDTH AS THE WIDTH OF THE SAME VENEER IN GREEN CONDITION, THE VENEER LAYER HAVING A THICKNESS OF THE ORDER OF 1/30, TO 1/100 OF AN INCH, THE CORE INCLUDING A SURFACE ZONE MORE DENSE THAN THE INTERIOR OF THE CORE, AT LEAST 50% OF THE PARTICLES IN CONTACT WITH THE VENEER HAVING A FINENESS SUCH AS TO PASS A 20-MESH SCREEN, THE RATIO OF BONDING COMPONENT TO WOOD PARTICLES IN THE SURFACE ZONE BEING HIGHER THAN THE SAME RATIO IN THE INTERIOR OF THE CORE, THE VENEER LAYER BEING BONDED TO THE EXTERIOR OF SAID DENSE SURFACE ZONE, AND OUTER SURFACE OF THE VENEER LAYER BEING PLANE, THE INNER SURFACE IN CONTACT WITH THE CORE BEING UNEVEN, WHEREBY INEQUALITIES IN THICKNESS OF THE VENEER LAYER ARE TAKEN UP BY THE OUTER SURFACE OF THE CORE.
Claim 2
Dependent Claim 178 words
A COMPOSITE WOOD VENEER PANEL INCLUDING A FIBROUSS LIGNO-CELLULOSE PARTICLE CORE CONSISTING OF FIBROUS WOODY PARTICLES BONDED TOGETHER, AND A THIN POROUS WOOD VENEER LAYER BONDED TO A SURFACE OF THE CORE, THE VENEER LAYER BEING DRY BUT HAVING THE SAME ACROSS-THE-GRAIN WIDTH AS THE WIDTH OF THE SAME VENEER IN GREEN CONDITION, THE VENEER LAYER HAVING A THICKNESS OF THE ORDER OF 1/30, TO 1/100 OF AN INCH, THE CORE INCLUDING A SURFACE ZONE MORE DENSE THAN THE INTERIOR OF THE CORE, AT LEAST 50% OF THE PARTICLES IN CONTACT WITH THE VENEER HAVING A FINENESS SUCH AS TO PASS A 20-MESH SCREEN, THE RATIO OF BONDING COMPONENT TO WOOD PARTICLES IN THE SURFACE ZONE BEING HIGHER THAN THE SAME RATIO IN THE INTERIOR OF THE CORE, THE VENEER LAYER BEING BONDED TO THE EXTERIOR OF SAID DENSE SURFACE ZONE, AND OUTER SURFACE OF THE VENEER LAYER BEING PLANE, THE INNER SURFACE IN CONTACT WITH THE CORE BEING UNEVEN, WHEREBY INEQUALITIES IN THICKNESS OF THE VENEER LAYER ARE TAKEN UP BY THE OUTER SURFACE OF THE CORE.

References Cited (Backward Citations)

US2066734A Cited
US2124921A Cited
US2356625A Cited
US2337792A Cited
US2642371A Cited
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US2419614A Cited
US2542025A Cited
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US2708296A Cited
US2698271A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-04-21 1961-10-21 1962-04-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-04-21 1965-10-21 1966-04-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-04-21 1969-10-21 1970-04-22 $7700.00 Window Closed / Lapsed

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