US2050254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Humidity regulated drier
Assignee: Westinghouse Electric Corp
•
Filing: 1934-02-14
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Granted: 1936-08-11
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Expires: 1954-02-14
Abstract
No abstract record available.
Inventors
- 👤 Barnsteiner Alfons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:23
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/30; D; D06; D06F; D06F34/00; D06F34/14; D06F34/26; D06F58/00; D06F58/10; F26B9/00; F26B9/06
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) | 1939-08-11 | 1940-02-10 | 1940-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-08-11 | 1944-02-10 | 1944-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-08-11 | 1948-02-10 | 1948-08-11 | $7700.00 | Window Closed / Lapsed |