US2446418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic apparatus for using bagasse to make paper pulp
Assignee: Individual
•
Filing: 1944-07-13
•
Granted: 1948-08-03
•
Expires: 1964-07-13
Abstract
No abstract record available.
Inventors
- 👤 Harry L Horn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:10
CPC Classifications
D; D21; D21C; D21C3/00; D21C3/22; D21C3/224
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US923319A
Cited
US1285369A
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US1544605A
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US1509534A
Cited
US1618199A
Cited
US1779971A
Cited
US2035633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-03 | 1952-02-02 | 1952-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-03 | 1956-02-02 | 1956-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-03 | 1960-02-02 | 1960-08-03 | $7700.00 | Window Closed / Lapsed |