Patent US2699378A successfully refreshed from Google Patents.
US2699378A
Expired / Lapsed
US
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Reaction containers
Assignee: Bronwill Scientific Inc
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Filing: 1951-04-28
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Granted: 1955-01-11
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Expires: 1971-04-28
Abstract
No abstract record available.
Inventors
- 👤 Koelle Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:14
CPC Classifications
G; G01; G01N; G01N7/00; G01N7/14; B; B01; B01F; B01F33/00; B01F33/45; B01F33/451
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A REACTION VESSEL COMPRISING AN OUTER CONTAINER ADAPTED TO HOLD A REAGENT, SAID OUTER CONTAINER HAVING A SIDE WALL INCLUDING A REDUCED PORTION, AN OPEN-TOP SMALLER CONTAINER IN UPRIGHT POSITION WITHIN SAID OUTER CONTAINER BELOW SAID REDUCED PORTION ADAPTED TO HOLD A DIFFERENT REAGENT, SAID SMALLER CONTAINER HAVING MAGNETIC PROPERTIES, SAID LARGER CONTAINER BEING OF NONMAGNETIC MATERIAL, A MAGNET POSITIONED OUTSIDE SAID OUTER CONTAINER AND ADAPTED TO ATTRACT SAID SMALLER CONTAINER, SAID MAGNET BEING MOVABLE VERTICALLY TO MOVE SAID SMALLER CONTAINER VERTICALLY AGAINST THE SIDE WALL OF SAID OUTER CONTAINER, THE REDUCED PORTION OF SAID OUTER CONTAINER CAUSING SAID SMALLER CONTAINER TO TURN FROM ITS UPRIGHT POSITION AND SPILL ITS REAGENT FROM ITS OPEN TOP TO MIX WITH THE REAGENT OF THE OUTER CONTAINER.
Claim 2
Dependent Claim
124 words
A REACTION VESSEL COMPRISING AN OUTER CONTAINER ADAPTED TO HOLD A REAGENT, SAID OUTER CONTAINER HAVING A SIDE WALL INCLUDING A REDUCED PORTION, AN OPEN-TOP SMALLER CONTAINER IN UPRIGHT POSITION WITHIN SAID OUTER CONTAINER BELOW SAID REDUCED PORTION ADAPTED TO HOLD A DIFFERENT REAGENT, SAID SMALLER CONTAINER HAVING MAGNETIC PROPERTIES, SAID LARGER CONTAINER BEING OF NONMAGNETIC MATERIAL, A MAGNET POSITIONED OUTSIDE SAID OUTER CONTAINER AND ADAPTED TO ATTRACT SAID SMALLER CONTAINER, SAID MAGNET BEING MOVABLE VERTICALLY TO MOVE SAID SMALLER CONTAINER VERTICALLY AGAINST THE SIDE WALL OF SAID OUTER CONTAINER, THE REDUCED PORTION OF SAID OUTER CONTAINER CAUSING SAID SMALLER CONTAINER TO TURN FROM ITS UPRIGHT POSITION AND SPILL ITS REAGENT FROM ITS OPEN TOP TO MIX WITH THE REAGENT OF THE OUTER CONTAINER.
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) | 1958-01-10 | 1958-07-12 | 1959-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-10 | 1962-07-12 | 1963-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-10 | 1966-07-12 | 1967-01-11 | $7700.00 | Window Closed / Lapsed |