US2936548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of production, fixation and use of nitrogenous compounds from engine exhaust, for irrigation
Assignee: Union Stock Yard and Transit Co
•
Filing: 1956-09-25
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Granted: 1960-05-17
•
Expires: 1976-09-25
Abstract
No abstract record available.
Inventors
- 👤 Willard L Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:27
CPC Classifications
C; C05; C05C; C05C11/00; A; A01; A01G; A01G25/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
THE METHOD OF PRODUCING, RECOVERING AND USING NITROGENOUS COMPOUNDS WHICH CONSISTS IN BURNING A MIXTURE OF AIR AND GASEOUS HYDROCARBON FUEL IN THE PROPORTION OF APPROXIMATELY NINETEEN PARTS OF AIR TO ONE PART OF FUEL BY SIMULTANEOUSLY IGNITING THE MIXTURE AT A MULTIPLICITY OF SPACED IGNITION POINTS, UNTIL THE MIXTURE HAS BURNED AT A TEMPERATURE ABOVE 4000 DEGREES F., EXPANDING THE MIXTURE WITH SUDDEN DROP IN TEMPERATURE OF MORE THAN 900 DEGREES F., USING THE EXPANSIVE POWER OF THE MIXTURE TO PUMP WATER, DISCHARGING THE PRODUCTS OF COMBUSTION AND MAINTAINING THEM IN INTIMATE CONTACT WITH THE WATER BEING PUMPED UNTIL SUBSTANTIALLY ALL OF THE NITROGENOUS COMPOUNDS IN THE EXHAUST GAS HAVE BEEN ABSORBED BY THE WATER AND THEN DISCHARGING THE PUMPED WATER FOR IRRIGATION AND DISCHARGING THE REMAINING EXHAUST GAS TO ATMOSPHERE.
Claim 2
Independent Claim
132 words
THE METHOD OF PRODUCING, RECOVERING AND USING NITROGENOUS COMPOUNDS WHICH CONSISTS IN BURNING A MIXTURE OF AIR AND GASEOUS HYDROCARBON FUEL IN THE PROPORTION OF APPROXIMATELY NINETEEN PARTS OF AIR TO ONE PART OF FUEL BY SIMULTANEOUSLY IGNITING THE MIXTURE AT A MULTIPLICITY OF SPACED IGNITION POINTS, UNTIL THE MIXTURE HAS BURNED AT A TEMPERATURE ABOVE 4000 DEGREES F., EXPANDING THE MIXTURE WITH SUDDEN DROP IN TEMPERATURE OF MORE THAN 900 DEGREES F., USING THE EXPANSIVE POWER OF THE MIXTURE TO PUMP WATER, DISCHARGING THE PRODUCTS OF COMBUSTION AND MAINTAINING THEM IN INTIMATE CONTACT WITH THE WATER BEING PUMPED UNTIL SUBSTANTIALLY ALL OF THE NITROGENOUS COMPOUNDS IN THE EXHAUST GAS HAVE BEEN ABSORBED BY THE WATER AND THEN DISCHARGING THE PUMPED WATER FOR IRRIGATION AND DISCHARGING THE REMAINING EXHAUST GAS TO ATMOSPHERE.
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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) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |