US3219852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode means for mhd device
Assignee: Allis Chalmers Corp
•
Filing: 1961-12-26
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Granted: 1965-11-23
•
Expires: 1981-12-26
Abstract
No abstract record available.
Inventors
- 👤 Edward F Brill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:55
CPC Classifications
H; H02; H02K; H02K44/00; H02K44/08; H02K44/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
IN AN MHD DEVICE, IN COMBINATION, MEANS HAVING A FLOW CHANNEL THEREIN FOR THE FLOW OF HOT ELECTRICALLY CONDUCTIVE GAS, MEANS FOR PROVIDING A MAGNETIC FIELD TRANSVERSELY THROUGH SAID FLOW CHANNEL, A CONSUMABLE ELECTRODE HAVING A PORTION EXTENDING INTO SAID FLOW CHANNEL AT A SIDE THEREOF FOR MAKING ELECTRICAL CONTACT WITH SAID GAS AND FOR SERVING AS PART OF AN ABLATABLE WALL SURFACE FOR SAID FLOW CHANNEL, AND MEANS FOR FEEDING
Claim 2
Dependent Claim
71 words
IN AN MHD DEVICE, IN COMBINATION, MEANS HAVING A FLOW CHANNEL THEREIN FOR THE FLOW OF HOT ELECTRICALLY CONDUCTIVE GAS, MEANS FOR PROVIDING A MAGNETIC FIELD TRANSVERSELY THROUGH SAID FLOW CHANNEL, A CONSUMABLE ELECTRODE HAVING A PORTION EXTENDING INTO SAID FLOW CHANNEL AT A SIDE THEREOF FOR MAKING ELECTRICAL CONTACT WITH SAID GAS AND FOR SERVING AS PART OF AN ABLATABLE WALL SURFACE FOR SAID FLOW CHANNEL, AND MEANS FOR FEEDING
References Cited (Backward Citations)
US2193434A
Cited
DE1093472B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |