US3532472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for carrying out partial oxidation of organic compounds
Assignee: Shell USA Inc
•
Filing: 1967-03-20
•
Granted: 1970-10-06
•
Expires: 1987-03-20
Abstract
No abstract record available.
Inventors
- 👤 E Gordon Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:17
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/37; C07C45/38; B; B01; B01J; B01J8/00; B01J8/02; B01J8/06; C07C45/33; C07C45/34; C07C45/35; C07C51/00; C07C51/16; C07C51/21; C07C51/215; C07C51/25; C07C51/252; C07C51/255; C07C51/265; C07C51/31; C07C51/313
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2242390A
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US2408282A
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US2532756A
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US2645566A
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US2801159A
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US2817690A
Cited
US3071454A
Cited
US3215508A
Cited
US3195989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |