US2518100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for gassing the contents of cans
Assignee: Continental Can Co Inc
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Filing: 1945-10-29
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Granted: 1950-08-08
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Expires: 1965-10-29
Abstract
No abstract record available.
Inventors
- 👤 Walter M Tomkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:50
CPC Classifications
B; B65; B65B; B65B31/00; B65B31/04; B65B31/044
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
58 words
THE METHOD OF GASSING PULVERULENT MATERIAL IN A CAN OR THE LIKE WHICH CONSISTS OF PARTITIONING THE MATERIAL DOWNWARDLY INTO A CENTRAL ZONE AND A CIRCUMFERENTIAL ZONE OF SUBSTANTIALLY EQUAL HORIZONTAL AREAS TO A LEVEL SPACED FROM THE BOTTOM OF THE CAN, AND APPLYING A CURRENT OF TREATING GAS UNDER PRESSURE TO THE MATERIAL IN THE CENTRAL ZONE.
Claim 2
Independent Claim
58 words
THE METHOD OF GASSING PULVERULENT MATERIAL IN A CAN OR THE LIKE WHICH CONSISTS OF PARTITIONING THE MATERIAL DOWNWARDLY INTO A CENTRAL ZONE AND A CIRCUMFERENTIAL ZONE OF SUBSTANTIALLY EQUAL HORIZONTAL AREAS TO A LEVEL SPACED FROM THE BOTTOM OF THE CAN, AND APPLYING A CURRENT OF TREATING GAS UNDER PRESSURE TO THE MATERIAL IN THE CENTRAL ZONE.
Claim 3
Dependent Claim
73 words
COFFEE GASSING APPARATUS COMPRISING A SUPPORT, A DOME MOUNTED THEREON, AN OUTLET PASSAGEWAY FROM THE DOME, A PIPE HELD BY THE SUPPORT AND PROJECTING INTO THE DOME, AN INVERTED FUNNEL ATTACHED TO THE PIPE, A SHAFT SLIDABLY CARRIED BY THE SUPPORT IN ALIGNMENT WITH THE PIPE AND A TRANSVERSE PLATE ON THE END OF THE SHAFT ADPATED TO LIFT A FILLED CAN INTO EDGEWISE ENGAGEMENT WITH THE DOME AND UNIFORMLY SURROUNDING THE FUNNEL.
Claim 4
Dependent Claim
73 words
COFFEE GASSING APPARATUS COMPRISING A SUPPORT, A DOME MOUNTED THEREON, AN OUTLET PASSAGEWAY FROM THE DOME, A PIPE HELD BY THE SUPPORT AND PROJECTING INTO THE DOME, AN INVERTED FUNNEL ATTACHED TO THE PIPE, A SHAFT SLIDABLY CARRIED BY THE SUPPORT IN ALIGNMENT WITH THE PIPE AND A TRANSVERSE PLATE ON THE END OF THE SHAFT ADPATED TO LIFT A FILLED CAN INTO EDGEWISE ENGAGEMENT WITH THE DOME AND UNIFORMLY SURROUNDING THE FUNNEL.
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) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |