Patent US192284A successfully refreshed from Google Patents.
Patent US3201622A successfully refreshed from Google Patents.
US3201622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Generation of electricity
Assignee: National Research Development Corp UK
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Filing: 1960-02-29
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Granted: 1965-08-17
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Expires: 1980-02-29
Abstract
No abstract record available.
Inventors
- 👤 Thring Meredith Wooldridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:36
CPC Classifications
H; H02; H02K; H02K44/00; H02K44/08; H02N; H02N3/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
53 words
APPARATUS FOR GENERATING ELECTRICITY COMPRISING MEANS FOR PRODUCING A HEATED GAS AND FOR PASSING IT IN A CONTINUOUS STREAM AT HIGH VELOCITY THROUGH A MAGNETIC FIELD, AND MEANS FOR CREATING IN SAID STEAM A SUCCESSION OF THIN LAYERS OF SUPERHEATED GAS, SAID LAYERS EXTENDING NORMAL TO THE DIRECTION OF FLOW OF SAID STREAM.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |