US2122376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for continuous drying of fiberboard under pressure
Assignee: Masonite Corp
•
Filing: 1936-07-03
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Granted: 1938-06-28
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Expires: 1956-07-03
Abstract
No abstract record available.
Inventors
- 👤 William H Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:47
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/24; F26B13/28; F26B13/10; F26B13/101
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) | 1941-06-27 | 1941-12-27 | 1942-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-06-27 | 1945-12-27 | 1946-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-06-27 | 1949-12-27 | 1950-06-28 | $7700.00 | Window Closed / Lapsed |