US2773789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crosscut fiber and method for its preparation
Assignee: Changewood Corp
•
Filing: 1953-03-23
•
Granted: 1956-12-11
•
Expires: 1973-03-23
Abstract
No abstract record available.
Inventors
- 👤 James D A Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:27
CPC Classifications
B; B27; B27L; B27L11/00; B27L11/02; D; D21; D21J; D21J1/00; Y; Y10; Y10T; Y10T428/00; Y10T428/16; Y10T428/23; Y10T428/239; 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
70 words
A CROSSCUT WOODY WAFER ADAPTED FOR USE IN A CONSOLIDATED STRUCTURE, SAID WAFER HAVING A THICKNESS WITHIN THE RANGE OF 0.002 TO 0.015 INCH IN WHICH THE FIBERS ARE SUBSTANTIALLY PARALLEL TO AND EXTEND LONGITUDINALLY OF THE WAFER AND HAVING A LENGTH AT LEAST TEN TIMES THE THICKNESS OF THE WAFER BUT LESS THAN 5 INCHES WITH THE ENDS OF THE WAFER AT AN ACUTE ANGLE WITH THE BROAD FACES.
Claim 2
Dependent Claim
70 words
A CROSSCUT WOODY WAFER ADAPTED FOR USE IN A CONSOLIDATED STRUCTURE, SAID WAFER HAVING A THICKNESS WITHIN THE RANGE OF 0.002 TO 0.015 INCH IN WHICH THE FIBERS ARE SUBSTANTIALLY PARALLEL TO AND EXTEND LONGITUDINALLY OF THE WAFER AND HAVING A LENGTH AT LEAST TEN TIMES THE THICKNESS OF THE WAFER BUT LESS THAN 5 INCHES WITH THE ENDS OF THE WAFER AT AN ACUTE ANGLE WITH THE BROAD FACES.
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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) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |