US3316167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-cell reactor in series
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1961-09-01
•
Granted: 1967-04-25
•
Expires: 1981-09-01
Abstract
No abstract record available.
Inventors
- 👤 Jr John V Clarke
- 👤 Charles H Worsham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:05
CPC Classifications
C; C25; C25B; C25B11/00; C25B11/02; C25B9/00; C25B9/70; H; H01; H01M; H01M8/00; H01M8/24; H01M8/2455; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US718249A
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US2384463A
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US2390591A
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US2925454A
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US2969315A
Cited
US2925455A
Cited
US3101285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |