Patent US2779683A successfully refreshed from Google Patents.
US2779683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of making lignocellulose products, and the products resulting therefrom
Assignee: Carr Adams and Collier Co
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Filing: 1953-10-09
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Granted: 1957-01-29
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Expires: 1973-10-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Harvey J Gill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:01
CPC Classifications
C; C08; C08H; C08H8/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
THE METHOD OF MAKING A LIGNOCELLULOSE PRODUCT, COMPRISING: INTIMATELY MIXING A FINELY DIVIDED LIGNOCELLULOSE MATERIAL WITH DIBASIC AMMONIUM PHOSPHATE; AND HEATING SAID MIXTURE AT A TEMPERATURE OF AT LEAST 400*F. FOR AT LEAST 20 MINUTES.
Claim 2
Independent Claim
35 words
THE METHOD OF MAKING A LIGNOCELLULOSE PRODUCT, COMPRISING: INTIMATELY MIXING A FINELY DIVIDED LIGNOCELLULOSE MATERIAL WITH DIBASIC AMMONIUM PHOSPHATE; AND HEATING SAID MIXTURE AT A TEMPERATURE OF AT LEAST 400*F. FOR AT LEAST 20 MINUTES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |