Patent US2923773A successfully refreshed from Google Patents.
Patent US2596015A successfully refreshed from Google Patents.
US2596015A
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US
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Wood-chip preparation for digesters from unbarked logs
Assignee: Individual
•
Filing: 1948-11-02
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Granted: 1952-05-06
•
Expires: 1968-11-02
Abstract
No abstract record available.
Inventors
- 👤 Archibald B Dunwody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:10
CPC Classifications
D; D21; D21B; D21B1/00; D21B1/04; D21B1/06; D21B1/061; D21B1/02; D21B1/023
Claims Analysis
Total Claims: 0
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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) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |