US2642371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite wooden board
Assignee: Individual
•
Filing: 1950-01-31
•
Granted: 1953-06-16
•
Expires: 1970-01-31
Abstract
No abstract record available.
Inventors
- 👤 Fahrni Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:03
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/06; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/24397; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/249921; Y10T428/249953; Y10T428/249987
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A COMPOSITE WOODEN BOARD COMPRISING IN COMPRISING IN COMBINATION A CORE LAYER OF RANDOMLY ARRANGED WOOD PARTICLES PROVIDING AIR SPACES BETWEEN THEMSELVES; A BINDER SUBSTANCE FIRMLY CONNECTING SAID RANDOMLY ARRANGED WOOD PARTICLES WITHOUT FILLING SAID AIR SPACES SO THAT SAID RANDOMLY ARRANGED WOOD PARTICLES FIRMLY ADHERE TO ONE ANOTHER AND PROVIDE A POROUS CORE HAVING GOOD HEAT INSULATING PROPERTIES; AN OUTER LAYER ARRANGED ON ONE FACE OF SAID POROUS CORE AND HAVING A THICKNESS WHICH IS SMALL AS COMPARED TO THE THICKNESS OF SAID CORE, SAID OUTER LAYER CONSISTING OF SUPERPOSED UNORIENTED FLAT WOOD SHAVINGS; AND AN ADHESIVE SUBSTANCE CONNECTING SAID FLAT WOOD SHAVINGS DIRECTLY TO ONE ANOTHER AND TO SAID POROUS CORE WHEREBY SAID FLAT WOOD SHAVINGS FIRMLY ADHERE TO ONE ANOTHER AND TO SAID POROUS CORE SO AS TO PROVIDE ON ONE SIDE OF SAID POROUS A FIRMLY ADHERING SURFACE LAYER BEING SUBSTANTIALLY IMPERVIOUS TO WATER AND HAVING A HIGH TENSILE STRENGTH.
Claim 2
Dependent Claim
154 words
A COMPOSITE WOODEN BOARD COMPRISING IN COMPRISING IN COMBINATION A CORE LAYER OF RANDOMLY ARRANGED WOOD PARTICLES PROVIDING AIR SPACES BETWEEN THEMSELVES; A BINDER SUBSTANCE FIRMLY CONNECTING SAID RANDOMLY ARRANGED WOOD PARTICLES WITHOUT FILLING SAID AIR SPACES SO THAT SAID RANDOMLY ARRANGED WOOD PARTICLES FIRMLY ADHERE TO ONE ANOTHER AND PROVIDE A POROUS CORE HAVING GOOD HEAT INSULATING PROPERTIES; AN OUTER LAYER ARRANGED ON ONE FACE OF SAID POROUS CORE AND HAVING A THICKNESS WHICH IS SMALL AS COMPARED TO THE THICKNESS OF SAID CORE, SAID OUTER LAYER CONSISTING OF SUPERPOSED UNORIENTED FLAT WOOD SHAVINGS; AND AN ADHESIVE SUBSTANCE CONNECTING SAID FLAT WOOD SHAVINGS DIRECTLY TO ONE ANOTHER AND TO SAID POROUS CORE WHEREBY SAID FLAT WOOD SHAVINGS FIRMLY ADHERE TO ONE ANOTHER AND TO SAID POROUS CORE SO AS TO PROVIDE ON ONE SIDE OF SAID POROUS A FIRMLY ADHERING SURFACE LAYER BEING SUBSTANTIALLY IMPERVIOUS TO WATER AND HAVING A HIGH TENSILE STRENGTH.
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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) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |