Patent US3297558A successfully refreshed from Google Patents.
US3297558A
Expired / Lapsed
US
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Fluid control apparatus
Assignee: Honeywell International Inc
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Filing: 1965-03-12
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Granted: 1967-01-10
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Expires: 1985-03-12
Abstract
No abstract record available.
Inventors
- 👤 Warren K Hillquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:39
CPC Classifications
G; G01; G01N; G01N35/00; G01N35/08; B; B01; B01L; B01L3/00; B01L3/02; B01L3/0203; B01L3/0206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
CONTROL APPARATUS FOR USE WITH A STRUCTURE DEFINING A THROUGH PASSAGE, SAID THROUGH PASSAGE INCLUDING A CHAMBER FOR HOLDING A LIQUID SAMPLE TO BE ANALYZED, A PRESSURE SOURCE, AND A CONDUIT CONNECTING THE THROUGH PASSAGE OF SAID STRUCTURE OF SAID PRESSURE SOURCE, COMPRISING A HOLDER RECEIVING SAID THROUGH PASSAGE DEFINING STRUCTURE, A CHANNEL IN SAID HOLDER FOR RECEIVING A FLEXIBLE TUBULAR PORTION OF SAID CONDUIT, A GUIDE SURFACE ON SAID HOLDER EXTENDING PARALLEL TO SAID CHANNEL, AND A ROLLER DISPOSED OVER SAID CHANNEL FOR MOVEMENT IN A DIRECTION CONTROLLED BY SAID GUIDE SURFACE, SAID ROLLER COOPERATING WITH SAID GUIDE SURFACE TO COMPRESS SAID TUBULAR PORTION AND BLOCK FLOW THERETHROUGH, SAID GUIDE SURFACE MAINTAINING THE BLOCKING ACTION IN SAID TUBULAR PORTION AS SAID ROLLER IS MOVED ALONG SIDE GUIDE SURFACE, AND AN OPERATOR ELEMENT FOR LIFTING SAID ROLLER AWAY FROM SAID TUBULAR PORTION TO REDUCE THE COMPRESSING ACTION OF SAID ROLLER ON SAID TUBULAR PORTION AND PER-
Claim 2
Dependent Claim
156 words
CONTROL APPARATUS FOR USE WITH A STRUCTURE DEFINING A THROUGH PASSAGE, SAID THROUGH PASSAGE INCLUDING A CHAMBER FOR HOLDING A LIQUID SAMPLE TO BE ANALYZED, A PRESSURE SOURCE, AND A CONDUIT CONNECTING THE THROUGH PASSAGE OF SAID STRUCTURE OF SAID PRESSURE SOURCE, COMPRISING A HOLDER RECEIVING SAID THROUGH PASSAGE DEFINING STRUCTURE, A CHANNEL IN SAID HOLDER FOR RECEIVING A FLEXIBLE TUBULAR PORTION OF SAID CONDUIT, A GUIDE SURFACE ON SAID HOLDER EXTENDING PARALLEL TO SAID CHANNEL, AND A ROLLER DISPOSED OVER SAID CHANNEL FOR MOVEMENT IN A DIRECTION CONTROLLED BY SAID GUIDE SURFACE, SAID ROLLER COOPERATING WITH SAID GUIDE SURFACE TO COMPRESS SAID TUBULAR PORTION AND BLOCK FLOW THERETHROUGH, SAID GUIDE SURFACE MAINTAINING THE BLOCKING ACTION IN SAID TUBULAR PORTION AS SAID ROLLER IS MOVED ALONG SIDE GUIDE SURFACE, AND AN OPERATOR ELEMENT FOR LIFTING SAID ROLLER AWAY FROM SAID TUBULAR PORTION TO REDUCE THE COMPRESSING ACTION OF SAID ROLLER ON SAID TUBULAR PORTION AND PER-
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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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |