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US2451558A
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Chemically treated wood pulp and a method of producing a cellulosic product
Assignee: Rayonier Inc
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Filing: 1944-11-06
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Granted: 1948-10-19
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Expires: 1964-11-06
Abstract
No abstract record available.
Inventors
- 👤 Schlosser Paul Henry
- 👤 Gray Kenneth Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:19
CPC Classifications
C; C08; C08B; C08B1/00; D; D01; D01F; D01F2/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1959930A
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US1970578A
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US2069336A
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US2125031A
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FR823454A
Cited
US2129809A
Cited
US2331936A
Cited
US2359750A
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US2359749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-19 | 1952-04-19 | 1952-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-19 | 1956-04-19 | 1956-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-19 | 1960-04-19 | 1960-10-19 | $7700.00 | Window Closed / Lapsed |