US3785933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for collecting and removing effluent emitted while pushing coke
Assignee: Raymond Kaiser Engineers Inc
•
Filing: 1971-08-11
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Granted: 1974-01-15
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Expires: 1991-08-11
Abstract
Abstract A gastight hood is mounted to a coke guide car. The hood is provided with a collar that cooperates with a fixed gas collecting main and with curtains that prevent gases, smoke and dirt from escaping from the quenching car while coke is being pushed.
Inventors
- 👤 W Edgar
- 👤 A Jonnet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:25
CPC Classifications
C; C10; C10B; C10B33/00; C10B33/003
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) | 1977-01-14 | 1977-07-16 | 1978-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-14 | 1981-07-16 | 1982-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-14 | 1985-07-16 | 1986-01-15 | $7700.00 | Window Closed / Lapsed |