Patent US2947654A successfully refreshed from Google Patents.
US2947654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing a composite board product
Assignee: Wood Processes Oregon Ltd
•
Filing: 1956-03-26
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Granted: 1960-08-02
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Expires: 1976-03-26
Abstract
No abstract record available.
Inventors
- 👤 Chapman Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:41
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/08; B27N3/10; B27N3/14; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/108; Y10T83/00; Y10T83/202; Y10T83/2066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
THE METHOD OF MANUFACTURING A COMPOSITE BOARD PRODUCT WHICH COMPRISES FORMING STRAIGHT GRAINED VENEER FLAKES RANGING UP TO SEVERAL INCHES IN LENGTH AND RANGING UP TO SEVERAL INCHES IN WIDTH, SAID VENEER FLAKES HAVING A MOISTURE CONTENT OF FORTY TO FIFTY PERCENT, COATING SAID VENEER FLAKES WITH AN ADHESIVE, FORMING A PAIR OF CONTINUOUS LOOSELY FELTED BLANKETS FROM A THIN SLURRY OF CELLULOSIC FIBERS IN WATER, SAID BLANKETS HAVING A THICKNESS OF ABOUT ONE-SIXTEENTH TO ONE-EIGHTH INCH, FORMING A SANDWICH OF A LAYER SEVERAL INCHES IN THICKNESS OF THE COATED VENEER FLAKES INTERLEAVED IN RANDOM ORIENTATION BETWEEN TWO TO SAID BLANKETS WHILE THEY ARE STILL WET AND SPONGY FROM THE WATER OF SAID SLURRY, SEVERING SAID SANDWICH INTO SECTIONS AND COMPACTING SAID SANDWICH SECTIONS INTO A PRODUCT OF BOARDLIKE DENSITY AND UNIFORM THICKNESS UNDER HEAT AND PRESSURE.
Claim 2
Independent Claim
137 words
THE METHOD OF MANUFACTURING A COMPOSITE BOARD PRODUCT WHICH COMPRISES FORMING STRAIGHT GRAINED VENEER FLAKES RANGING UP TO SEVERAL INCHES IN LENGTH AND RANGING UP TO SEVERAL INCHES IN WIDTH, SAID VENEER FLAKES HAVING A MOISTURE CONTENT OF FORTY TO FIFTY PERCENT, COATING SAID VENEER FLAKES WITH AN ADHESIVE, FORMING A PAIR OF CONTINUOUS LOOSELY FELTED BLANKETS FROM A THIN SLURRY OF CELLULOSIC FIBERS IN WATER, SAID BLANKETS HAVING A THICKNESS OF ABOUT ONE-SIXTEENTH TO ONE-EIGHTH INCH, FORMING A SANDWICH OF A LAYER SEVERAL INCHES IN THICKNESS OF THE COATED VENEER FLAKES INTERLEAVED IN RANDOM ORIENTATION BETWEEN TWO TO SAID BLANKETS WHILE THEY ARE STILL WET AND SPONGY FROM THE WATER OF SAID SLURRY, SEVERING SAID SANDWICH INTO SECTIONS AND COMPACTING SAID SANDWICH SECTIONS INTO A PRODUCT OF BOARDLIKE DENSITY AND UNIFORM THICKNESS UNDER HEAT AND PRESSURE.
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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) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |