US3253455A
Expired / Lapsed
US
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Sample system for gas chromatography
Assignee: Cameron Solutions Inc
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Filing: 1962-10-18
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Granted: 1966-05-31
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Expires: 1982-10-18
Abstract
No abstract record available.
Inventors
- 👤 Charles R Ferrin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:09
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/04; G01N30/16; G01N30/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
AN INLET SYSTEM FOR A PARTITION CHROMATOGRAPH, INCLUDING, A FIRST VALVE HAVING A FIRST AND SECOND PASSAGES, A SECOND VALVE HAVING A FIRST AND SECOND PASSAGES, A CLOSED LOOP OF CONDUIT INCLUDING A PASSAGE OF EACH VALVE AS DETERMINED BY THE POSITION OF EACH VALVE, MEANS OF HEATING THE VALVES AND LOOP, A SOURCE OF CARRIER VAPOR CONNECTED TO THE PASSAGE OF THE FIRST VALVE DETERMINED BY THE POSITION OF THE FIRST VALVE, A CONDUIT CONNECTING THE PASSAGES OF EACH VALVE AS DETERMINED BY THE POSITION OF EACH VALVE, MEANS FOR INJECTING A SAMPLE OF VAPORIZABLE MATERIAL TO BE ANALYZED INTO THE CLOSED LOOP, AND A PARTITION COLUMN CONNECTED TO THE PASSAGES OF THE SECOND VALVE AS DETERMINED BY THE POSITION OF THE SECOND VALVE, THE FIRST VALVE SELECTIVELY CONNECTING THE SOURCE OF CARRIER VAPOR TO THE PARTITION COLUMN WITH ONE OF THE PASSAGES OF THE FIRST VALVE, THE CONDUIT BETWEEN THE VALVES AND ONE OF THE PASSAGES OF THE SECOND VALVE AND WITH THE OTHER OF THE PASSAGES OF THE FIRST VALVE, THE CLOSED LOOP OF CONDUIT, THE CONDUIT BETWEEN THE VALVES AND BOTH PASSAGES OF THE FIRST VALVE.
Claim 2
Dependent Claim
190 words
AN INLET SYSTEM FOR A PARTITION CHROMATOGRAPH, INCLUDING, A FIRST VALVE HAVING A FIRST AND SECOND PASSAGES, A SECOND VALVE HAVING A FIRST AND SECOND PASSAGES, A CLOSED LOOP OF CONDUIT INCLUDING A PASSAGE OF EACH VALVE AS DETERMINED BY THE POSITION OF EACH VALVE, MEANS OF HEATING THE VALVES AND LOOP, A SOURCE OF CARRIER VAPOR CONNECTED TO THE PASSAGE OF THE FIRST VALVE DETERMINED BY THE POSITION OF THE FIRST VALVE, A CONDUIT CONNECTING THE PASSAGES OF EACH VALVE AS DETERMINED BY THE POSITION OF EACH VALVE, MEANS FOR INJECTING A SAMPLE OF VAPORIZABLE MATERIAL TO BE ANALYZED INTO THE CLOSED LOOP, AND A PARTITION COLUMN CONNECTED TO THE PASSAGES OF THE SECOND VALVE AS DETERMINED BY THE POSITION OF THE SECOND VALVE, THE FIRST VALVE SELECTIVELY CONNECTING THE SOURCE OF CARRIER VAPOR TO THE PARTITION COLUMN WITH ONE OF THE PASSAGES OF THE FIRST VALVE, THE CONDUIT BETWEEN THE VALVES AND ONE OF THE PASSAGES OF THE SECOND VALVE AND WITH THE OTHER OF THE PASSAGES OF THE FIRST VALVE, THE CLOSED LOOP OF CONDUIT, THE CONDUIT BETWEEN THE VALVES AND BOTH PASSAGES OF THE FIRST VALVE.
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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |