US2808319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vessel outlet
Assignee: Universal Oil Products Co
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Filing: 1955-06-17
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Granted: 1957-10-01
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Expires: 1975-06-17
Abstract
No abstract record available.
Inventors
- 👤 Lyman C Huff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:15
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/02; B01J8/0278; B01J8/0015; B01J8/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN A CONTACTING CHAMBER ADAPTED TO CONTAIN A BED OF PARTICULATED SOLID CONTACT MATERIAL AND AN OUTLET IN THE BOTTOM THEREOF, THE COMBINATION OF A CYLINDRICAL PERFORATED SOLIDS RETAINING MEMBER FORMING A SEAL WITH SAID OUTLET AND EXTENDING VERTICALLY INTO THE INTERIOR OF THE CHAMBER, A BED OF INERT SOLID SPHERICAL MEMBERS SURROUNDING SAID PERFORATED RETAINING MEMBER IN THE LOWER PORTION OF THE CHAMBER FOR SUPPORTING SAID CONTACT MATERIAL IN THE CHAMBER ABOVE THE RETAINING MEMBER, SAID SPHERICAL MEMBERS BEING LARGER THAN THE PERFORATIONS IN THE RETAINING MEMBER, AND A REMOVABLE TOP CLOSURE FOR SAID RETAINING MEMBER.
Claim 2
Dependent Claim
97 words
IN A CONTACTING CHAMBER ADAPTED TO CONTAIN A BED OF PARTICULATED SOLID CONTACT MATERIAL AND AN OUTLET IN THE BOTTOM THEREOF, THE COMBINATION OF A CYLINDRICAL PERFORATED SOLIDS RETAINING MEMBER FORMING A SEAL WITH SAID OUTLET AND EXTENDING VERTICALLY INTO THE INTERIOR OF THE CHAMBER, A BED OF INERT SOLID SPHERICAL MEMBERS SURROUNDING SAID PERFORATED RETAINING MEMBER IN THE LOWER PORTION OF THE CHAMBER FOR SUPPORTING SAID CONTACT MATERIAL IN THE CHAMBER ABOVE THE RETAINING MEMBER, SAID SPHERICAL MEMBERS BEING LARGER THAN THE PERFORATIONS IN THE RETAINING MEMBER, AND A REMOVABLE TOP CLOSURE FOR SAID RETAINING MEMBER.
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) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |