US3474266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrogasdynamic power cycle
Assignee: Bechtel International Corp
•
Filing: 1967-03-24
•
Granted: 1969-10-21
•
Expires: 1987-03-24
Abstract
No abstract record available.
Inventors
- 👤 Jerome R Koupal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:56
CPC Classifications
H; H02; H02N; H02N3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3337759A
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US3308622A
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US3417267A
Cited
US3405291A
Cited
US3312054A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |