Patent US3512340A successfully refreshed from Google Patents.
US3512340A
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Method and apparatus for cooling and humidifying a hot gas flow
Assignee: Kloeckner Humboldt Deutz AG
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Filing: 1967-12-19
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Granted: 1970-05-19
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Expires: 1987-12-19
Abstract
No abstract record available.
Inventors
- 👤 Karl Golucke
- 👤 Franz Muller
- 👤 Friedrich Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:17
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/01; B01; B01D; B01D51/00; B01D51/10; F; F27; F27B; F27B7/00; F27B7/20; F27B7/2016; F27B7/2025; F28; F28C; F28C3/00; F28C3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1315254A
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US2866625A
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US2015954A
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US2190724A
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US2631835A
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US2769618A
Cited
GB755029A
Cited
US3037757A
Cited
US3162431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |