Patent US6665348B1 successfully refreshed from Google Patents.
US2437648A
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US
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Catalytic oxidation of unsaturated organic compounds
Assignee: Research Corp
•
Filing: 1943-09-15
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Granted: 1948-03-09
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Expires: 1963-09-15
Abstract
No abstract record available.
Inventors
- 👤 Nicholas A Milas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:10
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/27; C07C45/28; C07C35/00; C07C35/02; C07C35/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB508526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-09 | 1951-09-08 | 1952-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-09 | 1955-09-08 | 1956-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-09 | 1959-09-08 | 1960-03-09 | $7700.00 | Window Closed / Lapsed |