US2472101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam drying apparatus
Assignee: Foster Wheeler Inc
•
Filing: 1941-01-24
•
Granted: 1949-06-07
•
Expires: 1961-01-24
Abstract
No abstract record available.
Inventors
- 👤 Frisch Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:25
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/26; F22B37/28; F22B37/283
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US973541A
Cited
US1432721A
Cited
US1767020A
Cited
US1822151A
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US1883380A
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US1845106A
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US1896656A
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US1946248A
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US2058240A
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US2016556A
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US2127917A
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US2075059A
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US2055781A
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US2050615A
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US2143191A
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US2070067A
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US2194698A
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US2232265A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |