US2811424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the recovery of ammonia from coke oven gas
Assignee: Beazer East Inc
•
Filing: 1953-02-24
•
Granted: 1957-10-29
•
Expires: 1973-02-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph Van Ackeren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:34
CPC Classifications
B; B01; B01D; B01D47/00; B01D47/06; C; C01; C01C; C01C1/00; C01C1/02; C01C1/10; C01C1/12; C01C1/24; C01C1/242
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A COMBINED ABSORBER AND CRYSTALLIZER COMPRISING N ENCLOSED CYLINDRICL CRYSTALLIZING VESSEL, AND ENCLOSED ANNULAR SPRY CHAMBER SURROUNDING SAID CRYSTALLIZING VESSEL, GAS INLET MEANS AND GAS OUTLET MEANS IN SAID SPRAY CHAMBER, SPRAY HEADS IN SAID SPRAY CHAMBER ARRANGED TO SPRAY LIQUID INTO THE GAS PASSING THROUGH SAID SPRAY CHAMBER FROM SAID GAS INLET MEANS TO SAID GAS OUTLET MEANS, A COLLECTING BASIN ARRANGED TO COLLECT THE SPRAY AFTER CONTACT WITH SAID GAS, CONDUIT MEANS LEADING FROM ADJACENT THT TOP OF SAID CRYSTALLIZING VESSEL TO SAID
Claim 2
Dependent Claim
85 words
A COMBINED ABSORBER AND CRYSTALLIZER COMPRISING N ENCLOSED CYLINDRICL CRYSTALLIZING VESSEL, AND ENCLOSED ANNULAR SPRY CHAMBER SURROUNDING SAID CRYSTALLIZING VESSEL, GAS INLET MEANS AND GAS OUTLET MEANS IN SAID SPRAY CHAMBER, SPRAY HEADS IN SAID SPRAY CHAMBER ARRANGED TO SPRAY LIQUID INTO THE GAS PASSING THROUGH SAID SPRAY CHAMBER FROM SAID GAS INLET MEANS TO SAID GAS OUTLET MEANS, A COLLECTING BASIN ARRANGED TO COLLECT THE SPRAY AFTER CONTACT WITH SAID GAS, CONDUIT MEANS LEADING FROM ADJACENT THT TOP OF SAID CRYSTALLIZING VESSEL TO SAID
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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) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |