US3512340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for cooling and humidifying a hot gas flow
Assignee: Kloeckner Humboldt Deutz AG
•
Filing: 1967-12-19
•
Granted: 1970-05-19
•
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 05:09
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1315254A
Cited
US2866625A
Cited
US2015954A
Cited
US2190724A
Cited
US2631835A
Cited
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 |