US3145085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of high purity nitrogen
Assignee: General Electric Co
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Filing: 1961-03-23
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Granted: 1964-08-18
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Expires: 1981-03-23
Abstract
No abstract record available.
Inventors
- 👤 Homer H Breault
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:33
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/04; C01B21/0405; C01B21/0411; C01B21/0422
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
IN THE PRODUCTION OF HIGH PURITY NITROGEN GAS FROM THE COMBUSTION OF HYDROCARBON GAS IN WHICH THE QUANTITIES OF CARBON MONOXIDE AND HYDROGEN OF THE COMBUSTION PRODUCT ARE REDUCED BY OXIDATION WITH A PRECISE EXCESS OF OXYGEN, THE PROCESS OF REDUCING FLUCTUATIONS IN THE COMBUSTION PRODUCT GAS STREAM COMPOSITION BEFORE INTRODUCTION OF SAID OXYGEN WHICH COMPRISES PASSING SAID STREAM THROUGH A BAFFLED TANK.
Claim 2
Dependent Claim
63 words
IN THE PRODUCTION OF HIGH PURITY NITROGEN GAS FROM THE COMBUSTION OF HYDROCARBON GAS IN WHICH THE QUANTITIES OF CARBON MONOXIDE AND HYDROGEN OF THE COMBUSTION PRODUCT ARE REDUCED BY OXIDATION WITH A PRECISE EXCESS OF OXYGEN, THE PROCESS OF REDUCING FLUCTUATIONS IN THE COMBUSTION PRODUCT GAS STREAM COMPOSITION BEFORE INTRODUCTION OF SAID OXYGEN WHICH COMPRISES PASSING SAID STREAM THROUGH A BAFFLED TANK.
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) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |