US2745795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the introduction of granular solids into a closed vessel
Assignee: ExxonMobil Oil Corp
•
Filing: 1951-07-17
•
Granted: 1956-05-15
•
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 17:27
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
References Cited (Backward Citations)
US440634A
Cited
US1514330A
Cited
CH34715A
Cited
US1743394A
Cited
US1759877A
Cited
US1670203A
Cited
US1941499A
Cited
US2562903A
Cited
US2528537A
Cited
US2482138A
Cited
US2596610A
Cited
US2559876A
Cited
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 |