US3233127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode structure for magnetohydrodynamic device
Assignee: General Electric Co
•
Filing: 1961-09-28
•
Granted: 1966-02-01
•
Expires: 1981-09-28
Abstract
No abstract record available.
Inventors
- 👤 Robert K Mckechnie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:21
CPC Classifications
H; H02; H02K; H02K44/00; H02K44/08; H02K44/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN A MAGNETOHYDRODYNAMIC DEVICE HAVING A FLOW PATH FOR A CONDUCTIVE FLUID AND A MAGNETIC FIELD EXTENDING TRANSVERSELY ACROSS THE FLOW PATH, THE COMBINATION COMPRISING AT LEAST A PAIR OF ELECTRODES DISPOSED ON OPPOSITE SIDES OF SAID FLOW PATH AND EACH ELECTRODE COMPRISING A HOLLOW MEMBER, A PYROLYTIC GRAPHITE SURFACE ON SAID MEMBER, SAID SURFACE POSITIONED ADJACENT SAID FLOW PATH, AND SAID SURFACE HAVING ITS PLANE OF DEPOSITION IN PARALLEL RELATIONSHIP TO SAID FLOW PATH.
Claim 2
Dependent Claim
75 words
IN A MAGNETOHYDRODYNAMIC DEVICE HAVING A FLOW PATH FOR A CONDUCTIVE FLUID AND A MAGNETIC FIELD EXTENDING TRANSVERSELY ACROSS THE FLOW PATH, THE COMBINATION COMPRISING AT LEAST A PAIR OF ELECTRODES DISPOSED ON OPPOSITE SIDES OF SAID FLOW PATH AND EACH ELECTRODE COMPRISING A HOLLOW MEMBER, A PYROLYTIC GRAPHITE SURFACE ON SAID MEMBER, SAID SURFACE POSITIONED ADJACENT SAID FLOW PATH, AND SAID SURFACE HAVING ITS PLANE OF DEPOSITION IN PARALLEL RELATIONSHIP TO SAID FLOW PATH.
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |