US3492283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of chemical reactions
Assignee: Phillips Petroleum Co
•
Filing: 1964-12-29
•
Granted: 1970-01-27
•
Expires: 1984-12-29
Abstract
No abstract record available.
Inventors
- 👤 Elmer C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:24
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/0006; C; C08; C08F; C08F10/00; Y; Y10; Y10T; Y10T436/00; Y10T436/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2989517A
Cited
US2974017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |