US2989382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regenerator for fluid hydroforming
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1952-10-03
•
Granted: 1961-06-20
•
Expires: 1972-10-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Alexis Voorhies
- 👤 Edward W S Nicholson
- 👤 Worth W Boisture
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:00
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/10; C10G35/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A REGENERATOR-SOAKER VESSEL FOR THE TREATMENT OF SPENT HYDROFORMING CATALYST PARTICLES COMPRISING IN COMBINATION A VERTICAL, ELONGATED VESSEL, A WALL MEMBER DIVIDING SAID VESSEL INTO AN UPPER REGENERATION AND A LOWER, SOAKING SECTION, INLET MEANS FOR THE INTRODUCTION OF SPENT CATALYST PARTICLE SAND REGENERATION GAS INTO THE LOWER PART OF SAID UPPER, REGENERATION SECTION OF SAID VESSEL, AN OUTLET LINE FOR THE WITHDRAWAL OF REGENERATION GAS SUBSTANTIALLY FREE OF CATALYST PARTICLES IN THE TOP OF SAID VESSEL, AN OPENING IN SAID WALL MEMBER FOR THE DISCHARGE OF REGENERATED CATALYST PARTICLES FROM THE BOTTOM OF SAID REGENERATION SECTION INTO THE UPPER PART OF THE SOAKING SECTION AND FOR
Claim 2
Dependent Claim
107 words
A REGENERATOR-SOAKER VESSEL FOR THE TREATMENT OF SPENT HYDROFORMING CATALYST PARTICLES COMPRISING IN COMBINATION A VERTICAL, ELONGATED VESSEL, A WALL MEMBER DIVIDING SAID VESSEL INTO AN UPPER REGENERATION AND A LOWER, SOAKING SECTION, INLET MEANS FOR THE INTRODUCTION OF SPENT CATALYST PARTICLE SAND REGENERATION GAS INTO THE LOWER PART OF SAID UPPER, REGENERATION SECTION OF SAID VESSEL, AN OUTLET LINE FOR THE WITHDRAWAL OF REGENERATION GAS SUBSTANTIALLY FREE OF CATALYST PARTICLES IN THE TOP OF SAID VESSEL, AN OPENING IN SAID WALL MEMBER FOR THE DISCHARGE OF REGENERATED CATALYST PARTICLES FROM THE BOTTOM OF SAID REGENERATION SECTION INTO THE UPPER PART OF THE SOAKING SECTION AND FOR
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |