Patent US3341732A successfully refreshed from Google Patents.
US3341732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous flow gas chromatography apparatus having a wire mesh electrode
Assignee: Individual
•
Filing: 1965-12-16
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Granted: 1967-09-12
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Expires: 1985-12-16
Abstract
No abstract record available.
Inventors
- 👤 Harry H Malvin
- 👤 Marion J Stansell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:02
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/04; G01N30/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A CONTINUOUS FLOW ELECTROLYTIC APPARATUS COMPRISING CLOSED, GENERALLY CYLINDRICAL CASING, A CYLINDRICAL ELECTRODE ON THE INNER WALL OF SAID CASING A CUP-SHAPED, MESH ELECTRODE CONCENTRIC WITH AND SPACED FROM SAID CYLINDRICAL ELECTRODE, A GAS PERMEABLE MEMBRANE LINING THE INTERIOR OF SAID CUP-SHAPED, MESH ELECTRODE, SPACER MEANS BETWEEN SAID ELECTRODES, SUPPORT MEANS FOR SPACING THE BOTTOM OF SAID CUPSHAPED ELECTRODE AND SAID CASING, SOLUTION INLET MEANS CONNECTED WITH SAID CASING, SOLUTION OUTLET MEANS AT THE LOWERMOST PORTION OF AND CONNECTED WITH SAID CASING, GAS OUTLET MEANS AT THE UPPER END OF AND CONNECTED WITH SAID CASING, AND CARRIER GAS INLET MEANS CONNECTED WITH SAID CASING FOR DIRECTING A CARRIER GAS TO THE INTERIOR OF SAID MESH ELECTRODE.
Claim 2
Dependent Claim
116 words
A CONTINUOUS FLOW ELECTROLYTIC APPARATUS COMPRISING CLOSED, GENERALLY CYLINDRICAL CASING, A CYLINDRICAL ELECTRODE ON THE INNER WALL OF SAID CASING A CUP-SHAPED, MESH ELECTRODE CONCENTRIC WITH AND SPACED FROM SAID CYLINDRICAL ELECTRODE, A GAS PERMEABLE MEMBRANE LINING THE INTERIOR OF SAID CUP-SHAPED, MESH ELECTRODE, SPACER MEANS BETWEEN SAID ELECTRODES, SUPPORT MEANS FOR SPACING THE BOTTOM OF SAID CUPSHAPED ELECTRODE AND SAID CASING, SOLUTION INLET MEANS CONNECTED WITH SAID CASING, SOLUTION OUTLET MEANS AT THE LOWERMOST PORTION OF AND CONNECTED WITH SAID CASING, GAS OUTLET MEANS AT THE UPPER END OF AND CONNECTED WITH SAID CASING, AND CARRIER GAS INLET MEANS CONNECTED WITH SAID CASING FOR DIRECTING A CARRIER GAS TO THE INTERIOR OF SAID MESH ELECTRODE.
References Cited (Backward Citations)
DE831490C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |