US1890833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for drying long webs of thin cellulose sheets
Assignee: Chemische Fabrik Von Heyden AG
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Filing: 1930-12-06
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Granted: 1932-12-13
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Expires: 1950-12-06
Abstract
No abstract record available.
Inventors
- 👤 Hoessle Carl Hermann Von
- 👤 Schade Otto Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:03
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/145; F16; F16K; F16K15/00; F16K15/02; F16K15/06
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) | 1935-12-13 | 1936-06-13 | 1936-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-12-13 | 1940-06-13 | 1940-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-12-13 | 1944-06-13 | 1944-12-13 | $7700.00 | Window Closed / Lapsed |