US2733840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kolks
Assignee: —
•
Filing: —
•
Granted: 1956-02-07
•
Expires: 1973-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:59
CPC Classifications
C; C10; C10B; C10B31/00; C10B31/02; C10B31/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A SUPPLY HOPPER FOR GRAVITY DISCHARGE OF MOIST OR ADHERENT MATERIALS, E.G., COAL COMPRISING: A FEED HOPPER WITH THE LOWER GRAVITY DISCHARGE OUTLET OPENING OF SMALLY CROSS-SECTIONAL AREA AS COMPARED WITH THE UPPER RESERVOIR PORTON OF THE HOPPER, AND A STATIONARY PNEUMATIC INLET CONDUIT FOR THE SUPPLY OF GASEOUS PRESSURE MEDIUM HAVING AN OPEN ENDED LOWER DISCHARGE OUTLET DISPOSED AT A FIXED REGION AT A SPACED DISTANCE, AND AXIALLY, ABOVE THE LOWER DISCHARGE OUTLET OPENING OF TE HOPPER, COMBINED WITH A DEFLECTOR MEMBER IN SAID HOPPER, SAID DEFLECTOR MEMBER BEING DISPOSED BELOW THE LOWER OPEN DISCHARGE OUTLET OF THE PNEUMATIC INLET CONDUIT WITH A CONTINUOUS FREE SPACE THEREBETWEEN WHICH OPENS UNRESTRICTEDLY INTO THE SURROUNDING AREA OF THE HOPPER, AND SAID DEFLECTOR HAVING A MAXIMUM HORIZONTAL DIMENSION THAT IS BUT A MINOR PORTION OF THE HORIZONTAL ARE OF THE PORTION OF THE HOOPER IN WHICH THE DEFLECTOR MEMBER IS DISPOSED, AND BEING ARRANGED IN SUCH CLOSE SPACED RELATION BENEATH THE
Claim 2
Dependent Claim
159 words
A SUPPLY HOPPER FOR GRAVITY DISCHARGE OF MOIST OR ADHERENT MATERIALS, E.G., COAL COMPRISING: A FEED HOPPER WITH THE LOWER GRAVITY DISCHARGE OUTLET OPENING OF SMALLY CROSS-SECTIONAL AREA AS COMPARED WITH THE UPPER RESERVOIR PORTON OF THE HOPPER, AND A STATIONARY PNEUMATIC INLET CONDUIT FOR THE SUPPLY OF GASEOUS PRESSURE MEDIUM HAVING AN OPEN ENDED LOWER DISCHARGE OUTLET DISPOSED AT A FIXED REGION AT A SPACED DISTANCE, AND AXIALLY, ABOVE THE LOWER DISCHARGE OUTLET OPENING OF TE HOPPER, COMBINED WITH A DEFLECTOR MEMBER IN SAID HOPPER, SAID DEFLECTOR MEMBER BEING DISPOSED BELOW THE LOWER OPEN DISCHARGE OUTLET OF THE PNEUMATIC INLET CONDUIT WITH A CONTINUOUS FREE SPACE THEREBETWEEN WHICH OPENS UNRESTRICTEDLY INTO THE SURROUNDING AREA OF THE HOPPER, AND SAID DEFLECTOR HAVING A MAXIMUM HORIZONTAL DIMENSION THAT IS BUT A MINOR PORTION OF THE HORIZONTAL ARE OF THE PORTION OF THE HOOPER IN WHICH THE DEFLECTOR MEMBER IS DISPOSED, AND BEING ARRANGED IN SUCH CLOSE SPACED RELATION BENEATH THE
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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) | 1959-02-06 | 1959-08-08 | 1960-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-06 | 1963-08-08 | 1964-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-06 | 1967-08-08 | 1968-02-07 | $7700.00 | Window Closed / Lapsed |