US2786005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crosscut woody wafers and structures embodying same
Assignee: Changewood Corp
•
Filing: 1954-07-26
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Granted: 1957-03-19
•
Expires: 1974-07-26
Abstract
No abstract record available.
Inventors
- 👤 James D A Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:39
CPC Classifications
B; B27; B27L; B27L11/00; B27L11/02; Y; Y10; Y10T; Y10T428/00; Y10T428/16; Y10T428/24; Y10T428/24479; Y10T428/24521; Y10T428/24595; Y10T428/24603; Y10T428/26; Y10T428/268; Y10T428/269; Y10T428/27
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A CROSSCUT WOODY WAFER ADAPTED FOR USE IN THE MANUFACTURE OF A CONSOLIDATED STRUCTURE, SAID WAFER HAVING A THICKNESS WITHIN THE RANGE OF ABOUT 0.01 INCH TO 0.065 INCH AND IN WHICH THE FIBERS ARE SUBSTANTIALLY PARALLEL TO AND EXTEND LONGITUDINALLY OF THE WAFER HAVING ITS BROAD FACES CHARACTERIZED BY FREEDOM OF CRACKS AND CHIPS CHARACTERISTIC OF WAFERS CUT FROM WOODY MATERIAL PARALLEL TO AND ALONG THE FIBER AND HAVING A LENGTH AT LEAST TEN TIMES THE THICKNESS OF THE WAFER BUT LESS THAN 5 INCHES AND IN WHICH THE ENDS OF THE WAFERS ARE TAPERED AND JAGGED WITH THE JAGGED PORTIONS EXTENDING OUTWARDLY FROM THE ENDS CORRESPONDING TO THE SUMMER WOOD ANNUAL RINGS.
Claim 2
Dependent Claim
114 words
A CROSSCUT WOODY WAFER ADAPTED FOR USE IN THE MANUFACTURE OF A CONSOLIDATED STRUCTURE, SAID WAFER HAVING A THICKNESS WITHIN THE RANGE OF ABOUT 0.01 INCH TO 0.065 INCH AND IN WHICH THE FIBERS ARE SUBSTANTIALLY PARALLEL TO AND EXTEND LONGITUDINALLY OF THE WAFER HAVING ITS BROAD FACES CHARACTERIZED BY FREEDOM OF CRACKS AND CHIPS CHARACTERISTIC OF WAFERS CUT FROM WOODY MATERIAL PARALLEL TO AND ALONG THE FIBER AND HAVING A LENGTH AT LEAST TEN TIMES THE THICKNESS OF THE WAFER BUT LESS THAN 5 INCHES AND IN WHICH THE ENDS OF THE WAFERS ARE TAPERED AND JAGGED WITH THE JAGGED PORTIONS EXTENDING OUTWARDLY FROM THE ENDS CORRESPONDING TO THE SUMMER WOOD ANNUAL RINGS.
References Cited (Backward Citations)
US2509642A
Cited
US2392844A
Cited
US2642371A
Cited
US2686143A
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US2549251A
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GB658524A
Cited
US2689092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |