US3401278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodes for magnetohydrodynamic devices
Assignee: Westinghouse Electric Corp
•
Filing: 1965-07-06
•
Granted: 1968-09-10
•
Expires: 1985-07-06
Abstract
No abstract record available.
Inventors
- 👤 Ho Shih-Ming
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:10
CPC Classifications
H; H02; H02K; H02K44/00; H02K44/08; H02K44/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
AN ELECTRODE FOR AN ENERGY CONVERSION APPARATUS OPERATIVE WITH A FLOW OF THERMALLY IONIZED WORKING FLUID COMPRISING A REFRACTORY OXIDE BLOCK OF MATERIAL DIVIDED INTO TWO SECTIONS WITH THE INSIDE FACE OF ONE SECTION HAVING A COAT OF METAL BONDING MATERIAL, A METAL FOIL PLACED ON SAID BONDING MATERIAL, ELECTRICAL CONDUCTORS SECURED
Claim 2
Dependent Claim
52 words
AN ELECTRODE FOR AN ENERGY CONVERSION APPARATUS OPERATIVE WITH A FLOW OF THERMALLY IONIZED WORKING FLUID COMPRISING A REFRACTORY OXIDE BLOCK OF MATERIAL DIVIDED INTO TWO SECTIONS WITH THE INSIDE FACE OF ONE SECTION HAVING A COAT OF METAL BONDING MATERIAL, A METAL FOIL PLACED ON SAID BONDING MATERIAL, ELECTRICAL CONDUCTORS SECURED
References Cited (Backward Citations)
US3149253A
Cited
US3165652A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |