US1930716A
Expired / Lapsed
US
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Catalytic oxidations of organic compounds
Assignee: Selden Co
•
Filing: 1932-04-11
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Granted: 1933-10-17
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Expires: 1952-04-11
Abstract
No abstract record available.
Inventors
- 👤 Alphons O Jaeger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:22
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/74; B01D53/86; B01D53/8668; B01J; B01J23/00; B01J23/002; B01J23/16; B01J23/20; B01J23/22; B01J23/32; B01J23/34; B01J23/38; B01J23/54; B01J23/56; B01J23/64; B01J23/648; B01J23/6482; B01J23/70; B01J23/74; B01J23/745; B01J23/76; B01J23/84; B01J23/847; B01J23/8472; B01J23/889; B01J23/8892; B01J27/00; B01J27/20; B01J27/22; B01J37/00; B01J37/0009; B01J37/0027; B01J37/0045; B01J37/02; B01J37/0215; B01J37/0221; B01J37/20; C; C07; C07B; C07B35/00; C07B35/04; B01D2255/00; B01D2255/10; B01D2255/104; B01D2255/20; B01D2255/207; B01D2255/20723; B01D2255/20761; B01J2523/00; B01J27/224
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) | 1936-10-16 | 1937-04-17 | 1937-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-10-16 | 1941-04-17 | 1941-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-10-16 | 1945-04-17 | 1945-10-17 | $7700.00 | Window Closed / Lapsed |