US2876153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic board and method of manufacture
Assignee: Abitibi Power and Paper Co Ltd
•
Filing: 1955-04-01
•
Granted: 1959-03-03
•
Expires: 1975-04-01
Abstract
No abstract record available.
Inventors
- 👤 Rodger M Dorland
- 👤 Maxwell M Yan
- 👤 Edward C Hale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:34
CPC Classifications
B; B27; B27N; B27N1/00; B27N3/00; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/25; Y10T428/253; Y10T428/26; Y10T428/268
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A HEAT AND PRESSURE-CONSILADATED SYNTHETIC BOARD FORMED FROM RELATIVELY LONG AND NARROW PLATELETS HAVING TAPERED SIDE AND END EDGES, EACH OF SAID TAPERED EDGES BEING BEVELLED INWARDLY FROM EACH SURFACE OF THE PLATELET, SAID PLATELETS THEREBY HAVING FEATHERED EDGES AND SURFACES SUBSTANTIALLY FREE FROM DISCONTINUITES AND CONSEQUENTLY PRESENTING SLIDABLE WEDGE SURFACES TO FACILITATE THE SELF-ADJUSTMENT OF THE PLATELETS INTO POSITION SAID PLATELETS BEING ADHERED TOGETHER BY A BINDER AND THE PLATELETS BEING EACH INDIVIDUALLY BURNISHED SO AS TO BE SUBSTANTIALLY FREE FROM SURFACE HAIR PRIOR TO CONSOLIDATION THEREOF INTO SAID BOARD.
Claim 2
Dependent Claim
91 words
A HEAT AND PRESSURE-CONSILADATED SYNTHETIC BOARD FORMED FROM RELATIVELY LONG AND NARROW PLATELETS HAVING TAPERED SIDE AND END EDGES, EACH OF SAID TAPERED EDGES BEING BEVELLED INWARDLY FROM EACH SURFACE OF THE PLATELET, SAID PLATELETS THEREBY HAVING FEATHERED EDGES AND SURFACES SUBSTANTIALLY FREE FROM DISCONTINUITES AND CONSEQUENTLY PRESENTING SLIDABLE WEDGE SURFACES TO FACILITATE THE SELF-ADJUSTMENT OF THE PLATELETS INTO POSITION SAID PLATELETS BEING ADHERED TOGETHER BY A BINDER AND THE PLATELETS BEING EACH INDIVIDUALLY BURNISHED SO AS TO BE SUBSTANTIALLY FREE FROM SURFACE HAIR PRIOR TO CONSOLIDATION THEREOF INTO SAID BOARD.
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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) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |