US2730488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid bath continuous conversion coking process and apparatus
Assignee: Universal Oil Products Co
•
Filing: 1953-05-19
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Granted: 1956-01-10
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Expires: 1973-05-19
Abstract
No abstract record available.
Inventors
- 👤 Rosset Armand J De
- 👤 Charles H Watkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:56
CPC Classifications
C; C10; C10B; C10B55/00; C10B49/00; C10B49/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
THE METHOD OF CONTINUOUSLY CONVERTING ORGANIC MATERIAL WHICH COMPRISES INTRODUCING SAID ORGANIC MATERIAL INTO THE LOWER PORTION OF A VERTICALLY ELONGATED SWIRLING MASS OF LIQUID HAVING A HIGHER SPECIFIC GRAVITY THAN SAID ORGANIC MATERIAL AND BEING SUBSTANTIALLY IMMISCIBLE THEREWITH, PASSING THE ORGANIC MATERIAL UPWARDLY THROUGH THE
Claim 2
Independent Claim
46 words
THE METHOD OF CONTINUOUSLY CONVERTING ORGANIC MATERIAL WHICH COMPRISES INTRODUCING SAID ORGANIC MATERIAL INTO THE LOWER PORTION OF A VERTICALLY ELONGATED SWIRLING MASS OF LIQUID HAVING A HIGHER SPECIFIC GRAVITY THAN SAID ORGANIC MATERIAL AND BEING SUBSTANTIALLY IMMISCIBLE THEREWITH, PASSING THE ORGANIC MATERIAL UPWARDLY THROUGH THE
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) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |