Patent US3576600A successfully refreshed from Google Patents.
US3576600A
Expired / Lapsed
US
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Process for noncatalytic production of nitric oxide
Assignee: Universal Oil Products Co
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Filing: 1970-02-03
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Granted: 1971-04-27
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Expires: 1990-02-03
Abstract
Abstract THE NONCATALYTIC COMBUSTION OF AMMONIA BETWEEN HEAT CONFINING SCREEN MEANS WITH A HEAT SINK UPSTREAM AND ADJACENT TO THE SCREEN MEANS TO PRECLUDE PREIGNITION OF THE AMMONIA IN THE PRODUCTION OF NITRIC OXIDE.
Inventors
- 👤 Leslie C Hardison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:15
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/20; C01B21/24; C01B21/26; C01B21/28; B; B01; B01D; B01D53/00; B01D53/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-26 | 1974-10-26 | 1975-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-26 | 1978-10-26 | 1979-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-26 | 1982-10-26 | 1983-04-27 | $7700.00 | Window Closed / Lapsed |