US3202188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making chemical separations
Assignee: Instrumentation Specialties Co
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Filing: 1963-03-22
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Granted: 1965-08-24
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Expires: 1983-03-22
Abstract
No abstract record available.
Inventors
- 👤 Robert W Allington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:24
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/80; G01N30/82
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
APPARATUS FOR TRANSFERRING FRACTIONED LIQUID MATERIAL FROM A CONTAINER INTO SEPARATE COLLECTING TUBES, WHICH APPARATUS COMPRISES MEANS CAUSING THE MATERIAL TO FLOW OUT OF THE CONTAINER AND THROUGH A CELL, SENSING MEANS PRODUCING AN OUTPUT SIGNAL IN CORRESPONDENCE WITH CHANGES IN A PREDETERMINED CHARACTERISTICS OF THE LIQUID PHASE OF THE MATERIAL PASSING THROUGH SAID CELL, CONTROL MEANS RESPONSIVE TO CHANGES IN THE OUTPUT SIGNAL OF THE SENSING MEANS, A RACK CARRYING A PLURALITY OF ADJACENTLY-DISPOSED COLLECTING TUBES, AND DRIVE MEANS FOR MOVING THE RACK TO POSITION A COLLECTING TUBE TO RECEIVE MATERIAL DISCHARGE FROM THE SAID CELL, SAID CONTROL MEANS ACTUATING THE SAID DRIVE MEANS UPON PREDETERMINED CHANGES IN THE OUTPUT SIGNAL OF THE SENSING MEANS.
Claim 2
Dependent Claim
116 words
APPARATUS FOR TRANSFERRING FRACTIONED LIQUID MATERIAL FROM A CONTAINER INTO SEPARATE COLLECTING TUBES, WHICH APPARATUS COMPRISES MEANS CAUSING THE MATERIAL TO FLOW OUT OF THE CONTAINER AND THROUGH A CELL, SENSING MEANS PRODUCING AN OUTPUT SIGNAL IN CORRESPONDENCE WITH CHANGES IN A PREDETERMINED CHARACTERISTICS OF THE LIQUID PHASE OF THE MATERIAL PASSING THROUGH SAID CELL, CONTROL MEANS RESPONSIVE TO CHANGES IN THE OUTPUT SIGNAL OF THE SENSING MEANS, A RACK CARRYING A PLURALITY OF ADJACENTLY-DISPOSED COLLECTING TUBES, AND DRIVE MEANS FOR MOVING THE RACK TO POSITION A COLLECTING TUBE TO RECEIVE MATERIAL DISCHARGE FROM THE SAID CELL, SAID CONTROL MEANS ACTUATING THE SAID DRIVE MEANS UPON PREDETERMINED CHANGES IN THE OUTPUT SIGNAL OF THE SENSING MEANS.
References Cited (Backward Citations)
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Cited
US2672271A
Cited
US2750092A
Cited
US2953440A
Cited
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Cited
US3004567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |