Patent US3436356A successfully refreshed from Google Patents.
US3436356A
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Method of preparing an agent for preventing contamination of air by carbon monoxide
Assignee: Daiichi Tanso Kogyo KK
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Filing: 1965-07-14
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Granted: 1969-04-01
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Expires: 1985-07-14
Abstract
No abstract record available.
Inventors
- 👤 Tsutomu Kato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:42
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/889; B01J23/8892; B01D; B01D53/00; B01D53/34; B01D53/92; B01D53/94; B01D53/944; B01J29/00; B01J29/04; B01J29/06; B01J29/061; B01J29/076; Y; Y02; Y02A; Y02A50/00; Y02A50/20
Claims Analysis
Total Claims: 0
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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) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |