Patent US2745795A successfully refreshed from Google Patents.
US2745795A
Expired / Lapsed
US
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Apparatus for the introduction of granular solids into a closed vessel
Assignee: ExxonMobil Oil Corp
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Filing: 1951-07-17
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Granted: 1956-05-15
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Expires: 1971-07-17
Abstract
No abstract record available.
Inventors
- 👤 Joe E Peniek
- 👤 John W Payne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:48
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/0015; B01J8/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
AN APPARATUS FOR INTRODUCING GRANULAR MATERIAL INTO A VESSEL WHICH COMPRISES IN COMBINATION: A CONDUIT FOR THE PASSAGE OF GRANULAR MATERIAL, A SECOND CONDUIT OF LARGER HORIZONTAL CROSS-SECTIONAL AREA THAN SAID FIRST-NAMED CONDUIT PLACED CONCENTRICALLY ABOUT THE LOWER SECTION OF SAID FIRST-NAMED CONDUIT SO THAT AN ANNULAR SPACE IS DEFINED BETWEEN THE OUTLER WALL OF SAID FIRST-NAMED CONDUIT AND THE INNER WALL OF SAID SECOND-NAMED CONDUIT, A HORIZONTAL PARTITION CLOSING OFF THE LOWER ENDS OF BOTH OF SAID CONDUITS, A PLURALITY OF SPACED APART VERTICAL PARTITIONS EXTENDING RADIALLY ACROSS THE LOWER SECTION OF SAID ANNULAR SPACE SO AS TO FORM A PLURALITY OF COMPARTMENTS IN THE LOWER SECTION OF SAID ANNULAR SPACE, AT LEAST ONE OPENING FOR THE FLOW OF GRANULAR MATERIAL EXTENDING THROUGH THE WALL OF SAID FIRST-NAMED CONDUIT INTO EACH OF SAID COMPARTMENTS WHEREBY GRANULAR MATERIAL WILL FLOW
Claim 2
Independent Claim
140 words
AN APPARATUS FOR INTRODUCING GRANULAR MATERIAL INTO A VESSEL WHICH COMPRISES IN COMBINATION: A CONDUIT FOR THE PASSAGE OF GRANULAR MATERIAL, A SECOND CONDUIT OF LARGER HORIZONTAL CROSS-SECTIONAL AREA THAN SAID FIRST-NAMED CONDUIT PLACED CONCENTRICALLY ABOUT THE LOWER SECTION OF SAID FIRST-NAMED CONDUIT SO THAT AN ANNULAR SPACE IS DEFINED BETWEEN THE OUTLER WALL OF SAID FIRST-NAMED CONDUIT AND THE INNER WALL OF SAID SECOND-NAMED CONDUIT, A HORIZONTAL PARTITION CLOSING OFF THE LOWER ENDS OF BOTH OF SAID CONDUITS, A PLURALITY OF SPACED APART VERTICAL PARTITIONS EXTENDING RADIALLY ACROSS THE LOWER SECTION OF SAID ANNULAR SPACE SO AS TO FORM A PLURALITY OF COMPARTMENTS IN THE LOWER SECTION OF SAID ANNULAR SPACE, AT LEAST ONE OPENING FOR THE FLOW OF GRANULAR MATERIAL EXTENDING THROUGH THE WALL OF SAID FIRST-NAMED CONDUIT INTO EACH OF SAID COMPARTMENTS WHEREBY GRANULAR MATERIAL WILL FLOW
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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) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |