US3247279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat control in catalytic oxidation process
Assignee: Halcon Research and Development Corp
•
Filing: 1962-02-12
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Granted: 1966-04-19
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Expires: 1982-02-12
Abstract
No abstract record available.
Inventors
- 👤 Rex E Lidov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:32
CPC Classifications
F; F28; F28F; F28F27/00; B; B01; B01J; B01J19/00; B01J19/0006; B01J19/0013; B01J19/24; B01J19/2415; B01J19/2425; B01J8/00; B01J8/02; B01J8/06; B01J8/067; C; C07; C07C; C07C51/00; C07C51/16; C07C51/21; C07C51/255; C07C51/265; C07C51/31; C07C51/313; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00026; B01J2208/00035; B01J2208/00044; B01J2208/00061; B01J2208/00106; B01J2208/00168; B01J2208/00212; B01J2208/00221; B01J2208/0053; B01J2208/00548
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1812341A
Cited
US2955925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |