US3459655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of coke
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1966-04-20
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Granted: 1969-08-05
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Expires: 1986-04-20
Abstract
No abstract record available.
Inventors
- 👤 Charles Newton Kimberlin Jr
- 👤 Henry George Ellert
- 👤 Morey E Oldweiler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:47
CPC Classifications
C; C10; C10B; C10B55/00; C10B55/02; C10B55/04; C10B55/08; C10B55/10; C01; C01B; C01B3/00; C01B3/02; C01B3/22; C01B3/24; C01B3/28; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C10G; C10G9/00; C10G9/28; C10G9/32; B; B01; B01J; B01J19/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |