Patent US2622276A successfully refreshed from Google Patents.
US2622276A
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US
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Process for manufacturing composite board
Assignee: Individual
•
Filing: 1948-07-24
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Granted: 1952-12-23
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Expires: 1968-07-24
Abstract
No abstract record available.
Inventors
- 👤 Winfred E Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:27
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/08; B27N3/10; Y; Y10; Y10S; Y10S264/00; Y10S264/44; Y10S425/00; Y10S425/012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A PROCESS FOR MANUFACTURING COMPOSITE BOARD, WHICH COMPRISES PLACING PARTICLES OF WOOD OR THE LIKE AND A SUITABLE BINDER IN A CONTAINER HAVING AN UNRESTRAINED AND COLLAPSIBLE SIDE WALL OF THIN MATERIAL, AND SUBJECTING THE WHOLE TO PRESSURE TO FORM THE BOARD, THE CONTAINER SIDE WALL SERVING AS THE SOLE MEANS FOR LIMITING THE LATERAL SPREAD OF THE PARTICLES OF WOOD AND BINDER WHEN THE CONTAINER AND PARTICLES OF WOOD ARE SUBJECTED TO PRESSURE.
Claim 2
Dependent Claim
74 words
A PROCESS FOR MANUFACTURING COMPOSITE BOARD, WHICH COMPRISES PLACING PARTICLES OF WOOD OR THE LIKE AND A SUITABLE BINDER IN A CONTAINER HAVING AN UNRESTRAINED AND COLLAPSIBLE SIDE WALL OF THIN MATERIAL, AND SUBJECTING THE WHOLE TO PRESSURE TO FORM THE BOARD, THE CONTAINER SIDE WALL SERVING AS THE SOLE MEANS FOR LIMITING THE LATERAL SPREAD OF THE PARTICLES OF WOOD AND BINDER WHEN THE CONTAINER AND PARTICLES OF WOOD ARE SUBJECTED TO PRESSURE.
References Cited (Backward Citations)
DE132497C
Cited
US752775A
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US734917A
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US1013143A
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GB191002979A
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US1926378A
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US2293914A
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GB649837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |