Patent US2621150A successfully refreshed from Google Patents.
US2621150A
Expired / Lapsed
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Method of and apparatus for the thermolytic decomposition of heavy liquid hydrocarbons
Assignee: Individual
•
Filing: 1949-12-20
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Granted: 1952-12-09
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Expires: 1969-12-20
Abstract
No abstract record available.
Inventors
- 👤 Fernando M Mora
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:55
CPC Classifications
C; C10; C10G; C10G9/00; C10G9/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
IN THE METHOD OF CARACKING TAR, THE STEPS COMPRISING SPREAYING A FILM OF TAR AGAINST A SURFACE HEATED TO A CRACKING TEMPERATURE, RETAINING THE TAR FILM ON THE HEATED SURFACE, PROGRESSIVELY MOVING THE LOCUS OF SPRAY TO CONTINUOUSLY SPRAY NEW INCREMENTS OF TAR ON SUCCESSIVE SURFACE AREAS HEATED TO THE CRACKING TEMPERATURE PROGRESSIVELY REMOVING FROM SAID HEATED SURFACE SOLID RESIDUES PRODUCED DURING CRACKING, AND RECOVERING THE CRACKED VAPORS.
Claim 2
Dependent Claim
68 words
IN THE METHOD OF CARACKING TAR, THE STEPS COMPRISING SPREAYING A FILM OF TAR AGAINST A SURFACE HEATED TO A CRACKING TEMPERATURE, RETAINING THE TAR FILM ON THE HEATED SURFACE, PROGRESSIVELY MOVING THE LOCUS OF SPRAY TO CONTINUOUSLY SPRAY NEW INCREMENTS OF TAR ON SUCCESSIVE SURFACE AREAS HEATED TO THE CRACKING TEMPERATURE PROGRESSIVELY REMOVING FROM SAID HEATED SURFACE SOLID RESIDUES PRODUCED DURING CRACKING, AND RECOVERING THE CRACKED VAPORS.
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) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |