US3267646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic preparative gas chromatograph
Assignee: HP Inc
•
Filing: 1963-03-04
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Granted: 1966-08-23
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Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 James M Kauss
- 👤 Urban J Peters
- 👤 Aaron J Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:26
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/80; G01N30/82; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86815; Y10T137/86823
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN A CHROMATOGRAPHIC SEPARATOR OF THE TYPE WHICH COMPRISES A SEPARATING COLUMN FOR SEPARABLE COMPONENTCONTAINING SAMPLE MATERIAL, AND PLURAL COLLECTING MEANS FOR COLLECTING SEPARATED COMPONENTS OF SAID MATERIAL, THE IMPROVEMENT WHICH COMPRISES: A COMMON MANIFOLD MEANS FOR SIMULTANEOULSY CONVEYING SAID SEPARATED COMPONENTS TO ALL OF SAID COLLECTING MEANS; A MULTI-POSITION INDEXING VALVE LOCATED DOWNSTREAM OF SAID MANIFOLD MEANS, HAVING A SEPARATE VALVE INLET FROM EACH OF SAID COLLECTING MEANS, BY-PASS INLET MEANS FROM SAID MANIFOLD BY-PASSING SAID VALVE INLETS, AND AN OUTPUT MEANS CONNECTED FOR FLUID FLOW FROM ANY OF SAID INLETS AND FROM SAID BY-PASS INLET MEANS: AND MEANS FOR INDEXING SAID VALVE ALTERNATELY BETWEEN A DIFFERENT ONE OF SAID SEPARATE INLETS AND SAID BYPASS INLET MEANS, WHEREBY EACH OF THE PARTICULAR SEPARATED COMPONENTS OF SAID MATERIAL IS PASSED TO A DIFFERENT COLLECTING MEANS AND CONTAMINATION OF THE VALVE BY SUCH COMPONENTS IS REDUCED.
Claim 2
Dependent Claim
145 words
IN A CHROMATOGRAPHIC SEPARATOR OF THE TYPE WHICH COMPRISES A SEPARATING COLUMN FOR SEPARABLE COMPONENTCONTAINING SAMPLE MATERIAL, AND PLURAL COLLECTING MEANS FOR COLLECTING SEPARATED COMPONENTS OF SAID MATERIAL, THE IMPROVEMENT WHICH COMPRISES: A COMMON MANIFOLD MEANS FOR SIMULTANEOULSY CONVEYING SAID SEPARATED COMPONENTS TO ALL OF SAID COLLECTING MEANS; A MULTI-POSITION INDEXING VALVE LOCATED DOWNSTREAM OF SAID MANIFOLD MEANS, HAVING A SEPARATE VALVE INLET FROM EACH OF SAID COLLECTING MEANS, BY-PASS INLET MEANS FROM SAID MANIFOLD BY-PASSING SAID VALVE INLETS, AND AN OUTPUT MEANS CONNECTED FOR FLUID FLOW FROM ANY OF SAID INLETS AND FROM SAID BY-PASS INLET MEANS: AND MEANS FOR INDEXING SAID VALVE ALTERNATELY BETWEEN A DIFFERENT ONE OF SAID SEPARATE INLETS AND SAID BYPASS INLET MEANS, WHEREBY EACH OF THE PARTICULAR SEPARATED COMPONENTS OF SAID MATERIAL IS PASSED TO A DIFFERENT COLLECTING MEANS AND CONTAMINATION OF THE VALVE BY SUCH COMPONENTS IS REDUCED.
References Cited (Backward Citations)
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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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |