US3345523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnet for magnetohydrodynamic generators
Assignee: Siemens Schuckertwerke AG
•
Filing: 1965-04-23
•
Granted: 1967-10-03
•
Expires: 1985-04-23
Abstract
No abstract record available.
Inventors
- 👤 Grunwald Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:04
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/20; H01F7/202; H02; H02K; H02K44/00; H02K44/08; H02K44/085; H02K44/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
IN AN MHD GENERATOR HAVING A PLASMA FLOW CHANNEL, AN ELECTROMAGNET COMPRISING A PAIR OF POLE SHOES LOCATED RESPECTIVELY AT OPPOSITE SIDES OF THE PLASMA FLOW CHANNEL, AND ELECTRICALLY ENERGIZABLE COIL MEANS FOR PRODUCING A MAGNETIC FIELD IN A CIRCUIT PASSING THROUGH SAID POLE SHOES AND SAID CHANNEL, SAID POLES SHOES BEING THE ONLY COMPONENTS OF SAID CIRCUIT MADE OF IRON.
Claim 2
Dependent Claim
61 words
IN AN MHD GENERATOR HAVING A PLASMA FLOW CHANNEL, AN ELECTROMAGNET COMPRISING A PAIR OF POLE SHOES LOCATED RESPECTIVELY AT OPPOSITE SIDES OF THE PLASMA FLOW CHANNEL, AND ELECTRICALLY ENERGIZABLE COIL MEANS FOR PRODUCING A MAGNETIC FIELD IN A CIRCUIT PASSING THROUGH SAID POLE SHOES AND SAID CHANNEL, SAID POLES SHOES BEING THE ONLY COMPONENTS OF SAID CIRCUIT MADE OF IRON.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |