Patent US3382033A successfully refreshed from Google Patents.
US3382033A
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Method of removing nitric oxide from gases
Assignee: Kobe Steel Ltd
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Filing: 1964-02-17
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Granted: 1968-05-07
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Expires: 1984-02-17
Abstract
No abstract record available.
Inventors
- 👤 Kitagawa Tetsuzo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:21
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/54; B01D53/56; B42; B42F; B42F21/00; B42F21/06; B42F21/08; B42F21/10; Y; Y02; Y02A; Y02A50/00; Y02A50/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US948726A
Cited
US1765254A
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US2315988A
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US3023076A
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US3149907A
Cited
US3050363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |