US3267736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromatographic sampling valve
Assignee: Consolidated Electrodynamics Corp
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Filing: 1964-01-20
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Granted: 1966-08-23
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Expires: 1984-01-20
Abstract
No abstract record available.
Inventors
- 👤 Heinz G Boettger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:24
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/04; G01N30/16; G01N30/20; G01N30/26; G01N30/38; G01N30/40; G01N2030/402
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A SAMPLING VALVE FOR CHROMATOGRAPH SPECIALLY ADAPTED FOR USE WITH HIGH TEMPERATURE AND PRESSURE FLUIDS COMPRISING: A CYLINDRICAL STATIONARY BODY HAVING A PLURALITY OF INLET AND OUTLET PORTS, A SAMPLE CHAMBER CONNECTED TO ONE OF THE BODY INLET AND OUTLET PORTS, A CAGE HAVING AN ANNULAR SHAPED DEPRESSION FORMED THEREIN, AN ANNULAR SHAPED RESILIENT VALVE INSERT HAVING RECESSES FORMED THEREIN FOR SELECTIVELY INTERCONNECTING THE BODY INLET AND OUTLET PORTS MOUNTED IN THE CAGE, A CAP FIXEDLY MOUNTED UPON THE BODY AND IN GAS-TIGHT RELATION THEREWITH, A PISTON MOUNTED UPON THE CAGE AND SLIDABLE WITHIN THE CAP, MEANS FOR DUCTING FLUID PRESSURE INTO THE CAP FROM A SOURCE OF ONE OF THE FLUIDS FOR URGING THE CAGE INTO INTIMATE RELATION WITH THE BODY, AND SPRING MEANS DISPOSED BETWEEN THE CAP AND THE PISTON FOR CONSTANTLY URGING THE VALVE INSERT INTO ENGAGEMENT WITH THE BODY.
Claim 2
Dependent Claim
143 words
A SAMPLING VALVE FOR CHROMATOGRAPH SPECIALLY ADAPTED FOR USE WITH HIGH TEMPERATURE AND PRESSURE FLUIDS COMPRISING: A CYLINDRICAL STATIONARY BODY HAVING A PLURALITY OF INLET AND OUTLET PORTS, A SAMPLE CHAMBER CONNECTED TO ONE OF THE BODY INLET AND OUTLET PORTS, A CAGE HAVING AN ANNULAR SHAPED DEPRESSION FORMED THEREIN, AN ANNULAR SHAPED RESILIENT VALVE INSERT HAVING RECESSES FORMED THEREIN FOR SELECTIVELY INTERCONNECTING THE BODY INLET AND OUTLET PORTS MOUNTED IN THE CAGE, A CAP FIXEDLY MOUNTED UPON THE BODY AND IN GAS-TIGHT RELATION THEREWITH, A PISTON MOUNTED UPON THE CAGE AND SLIDABLE WITHIN THE CAP, MEANS FOR DUCTING FLUID PRESSURE INTO THE CAP FROM A SOURCE OF ONE OF THE FLUIDS FOR URGING THE CAGE INTO INTIMATE RELATION WITH THE BODY, AND SPRING MEANS DISPOSED BETWEEN THE CAP AND THE PISTON FOR CONSTANTLY URGING THE VALVE INSERT INTO ENGAGEMENT WITH THE BODY.
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) | 1969-08-22 | 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 |