Patent US3282313A successfully refreshed from Google Patents.
US3282313A
Expired / Lapsed
US
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Method of forming wood and formed wood product
Assignee: Research Corp
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Filing: 1964-11-24
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Granted: 1966-11-01
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Expires: 1984-11-24
Abstract
No abstract record available.
Inventors
- 👤 Schuerch Conrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:40
CPC Classifications
B; B27; B27K; B27K3/00; B27K3/02; B27K3/0271; B27H; B27H1/00; B27K3/08; B27K3/086; B27K3/16; B27K3/20; B27M; B27M1/00; B27M1/02; B27K5/00; B27K5/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31971; Y10T428/31989
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A PROCESS FOR MODIFYING WOOD WHICH INCLUDES THE STEPS OF IMPREGNATING THE WOOD WITH SUBSTANTIALLY ANHYDROUS AMMONIA IN AN AMOUNT EQUAL TO AT LEAST 10% BY WEIGHT OF THE DRY WOOD IN EXCESS OF THE AMOUNT MOLECULARLY EQUIVALENT TO THE MOISTURE CONTENT OF THE WOOD, FORMING
Claim 2
Dependent Claim
46 words
A PROCESS FOR MODIFYING WOOD WHICH INCLUDES THE STEPS OF IMPREGNATING THE WOOD WITH SUBSTANTIALLY ANHYDROUS AMMONIA IN AN AMOUNT EQUAL TO AT LEAST 10% BY WEIGHT OF THE DRY WOOD IN EXCESS OF THE AMOUNT MOLECULARLY EQUIVALENT TO THE MOISTURE CONTENT OF THE WOOD, FORMING
References Cited (Backward Citations)
US1628918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |