US2583994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wood pulp digestion
Assignee: Rayonier Inc
•
Filing: 1946-06-21
•
Granted: 1952-01-29
•
Expires: 1966-06-21
Abstract
No abstract record available.
Inventors
- 👤 Ben T Briggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:35
CPC Classifications
D; D21; D21C; D21C1/00; D21C1/02; Y; Y10; Y10S; Y10S162/00; Y10S162/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US150111A
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US2161763A
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US2269985A
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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) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |