Patent US2512259A successfully refreshed from Google Patents.
US2512259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furnace for the production of nitric oxide from air
Assignee: Individual
•
Filing: 1943-04-09
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Granted: 1950-06-20
•
Expires: 1963-04-09
Abstract
No abstract record available.
Inventors
- 👤 Robert D Pike
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:04
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/20; C01B21/24; C01B21/30; C01B21/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A FURNACE FOR THE MAKING OF NITRIC OXIDE FROM AIR, SAID FURNACE INCLUDING A VERTICAL FURNACE CHAMBER; A PLURALITY OF BEDS SEQUENTLY ARRANGED IN SAID FURNACE CHAMBER AND CONSISTING OF AN INTERMEDIATE REACTION BED OF RELATIVELY LARGE REFACTORY BODIES AND ADJACENT TERMINAL REGENERATIVE BEDS OF SUBSTANTIALLY SMALLER REFRACTORY PARTICLES, CONDUITS AND VALVE MEANS COOPERATIVE THEREWITH FOR CAUSING A GAS CONTAINING NITROGEN AND OXYGEN IN EITHER DIRECTION TO FLOW THROUGH SAID FURNACE CHAMBER AND THROUGH SAID BEDS, FUEL GAS INLET NOZZLES ARRANGED IN UPPER AND LOWER TIERS AND DISPOSED TO SUPPLY FUEL TO THE
Claim 2
Dependent Claim
93 words
A FURNACE FOR THE MAKING OF NITRIC OXIDE FROM AIR, SAID FURNACE INCLUDING A VERTICAL FURNACE CHAMBER; A PLURALITY OF BEDS SEQUENTLY ARRANGED IN SAID FURNACE CHAMBER AND CONSISTING OF AN INTERMEDIATE REACTION BED OF RELATIVELY LARGE REFACTORY BODIES AND ADJACENT TERMINAL REGENERATIVE BEDS OF SUBSTANTIALLY SMALLER REFRACTORY PARTICLES, CONDUITS AND VALVE MEANS COOPERATIVE THEREWITH FOR CAUSING A GAS CONTAINING NITROGEN AND OXYGEN IN EITHER DIRECTION TO FLOW THROUGH SAID FURNACE CHAMBER AND THROUGH SAID BEDS, FUEL GAS INLET NOZZLES ARRANGED IN UPPER AND LOWER TIERS AND DISPOSED TO SUPPLY FUEL TO THE
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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) | 1953-06-19 | 1953-12-19 | 1954-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-19 | 1957-12-19 | 1958-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-19 | 1961-12-19 | 1962-06-20 | $7700.00 | Window Closed / Lapsed |