US2989147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hcn removal
Assignee: Beazer East Inc
•
Filing: 1958-03-03
•
Granted: 1961-06-20
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Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Gollmar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:39
CPC Classifications
B; B01; B01D; B01D47/00; B01D47/06; C; C10; C10K; C10K1/00; C10K1/08; C10K1/10; C10K1/101; Y; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/903; Y10S210/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A PROCESS FOR ELIMINATING HCN FROM HCN-BEARING WATER WHICH COMPRISES MIXING CO2 GAS WITH AIR TO RAISE THE CO2 GAS CONTENT OF THE AIR, AND INTRODUCING RELATIVELY LARGE VOLUMES OF SAID MIXTURE OF CO2 GAS AND AIR INTO SAID WATER SUBSTANTIALLY AT AMBIENT TEMPERATURE AND PRESSURE SO THAT THE HCN IS SUBSTANTIALLY REMOVED FROM SAID WATER AND CARRIED AWAY INTO THE ATMOSPHERE GREATLY DILUTED IN SAID MIXTURE, THE INCREASED CO2 GAS CONTENT OF
Claim 2
Dependent Claim
73 words
A PROCESS FOR ELIMINATING HCN FROM HCN-BEARING WATER WHICH COMPRISES MIXING CO2 GAS WITH AIR TO RAISE THE CO2 GAS CONTENT OF THE AIR, AND INTRODUCING RELATIVELY LARGE VOLUMES OF SAID MIXTURE OF CO2 GAS AND AIR INTO SAID WATER SUBSTANTIALLY AT AMBIENT TEMPERATURE AND PRESSURE SO THAT THE HCN IS SUBSTANTIALLY REMOVED FROM SAID WATER AND CARRIED AWAY INTO THE ATMOSPHERE GREATLY DILUTED IN SAID MIXTURE, THE INCREASED CO2 GAS CONTENT OF
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |