US3280350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetohydrodynamic generator
Assignee: Siemens Schuckertwerke AG
•
Filing: 1964-10-29
•
Granted: 1966-10-18
•
Expires: 1984-10-29
Abstract
No abstract record available.
Inventors
- 👤 Gebel Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:55
CPC Classifications
H; H01; H01F; H01F6/00; H02; H02K; H02K44/00; H02K44/08; H02K44/085; H02K44/12; H02K44/14; H02K44/16; H02K44/18; H02K44/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2716943A
Cited
US3187236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |