US2429338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drum drier for web with radiant heater
Assignee: LOS ANGELES PAPER BOX FACTORY
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Filing: 1945-04-02
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Granted: 1947-10-21
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Expires: 1965-04-02
Abstract
No abstract record available.
Inventors
- 👤 Floyd W Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:19
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/16; D; D21; D21F; D21F5/00; D21F5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US776197A
Cited
US1025822A
Cited
US1438129A
Cited
US1742365A
Cited
US1862909A
Cited
US2252181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-20 | 1951-04-21 | 1951-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-20 | 1955-04-21 | 1955-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-20 | 1959-04-21 | 1959-10-21 | $7700.00 | Window Closed / Lapsed |