US2898277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fixing nitrogen for producing oxides of nitrogen
Assignee: Individual
•
Filing: 1956-03-06
•
Granted: 1959-08-04
•
Expires: 1976-03-06
Abstract
No abstract record available.
Inventors
- 👤 Harteck Paul
- 👤 Dondes Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:52
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
IN THE METHOD OF PRODUCING OXIDES OF NITROGEN THE STEPS IN COMBINATION COMPRISING IRRADIATING AIR AT HIGH PRESSURE IN A NUCLEAR REACTOR, COOLING TO REMOVE NO2, COMPRESSING THE COOLED GAS, FURTHER COOLING TO REMOVE N2O AND RECIRCULATING TH COOLED COMPRESSED AIR TO THE REACTOR AND FURTHER IRRADIATING IT THEREIN.
Claim 2
Dependent Claim
49 words
IN THE METHOD OF PRODUCING OXIDES OF NITROGEN THE STEPS IN COMBINATION COMPRISING IRRADIATING AIR AT HIGH PRESSURE IN A NUCLEAR REACTOR, COOLING TO REMOVE NO2, COMPRESSING THE COOLED GAS, FURTHER COOLING TO REMOVE N2O AND RECIRCULATING TH COOLED COMPRESSED AIR TO THE REACTOR AND FURTHER IRRADIATING IT THEREIN.
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) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |