Patent US2338722A successfully refreshed from Google Patents.
US2338722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of rayon
Assignee: Akzona Inc
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Filing: 1943-02-03
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Granted: 1944-01-11
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Expires: 1963-02-03
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:46
CPC Classifications
B; B65; B65H; B65H55/00; B65H55/04; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-01-10 | 1947-07-12 | 1948-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-01-10 | 1951-07-12 | 1952-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-01-10 | 1955-07-12 | 1956-01-11 | $7700.00 | Window Closed / Lapsed |