US2436660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation of heterocyclic aromatic nitrogen compounds
Assignee: Honeywell International Inc
•
Filing: 1942-10-09
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Granted: 1948-02-24
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Expires: 1962-10-09
Abstract
No abstract record available.
Inventors
- 👤 Max B Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:28
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/79; C07D213/803
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2295870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-23 | 1951-08-25 | 1952-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-23 | 1955-08-25 | 1956-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-23 | 1959-08-25 | 1960-02-24 | $7700.00 | Window Closed / Lapsed |