US3427220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactors
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1965-11-22
•
Granted: 1969-02-11
•
Expires: 1985-11-22
Abstract
No abstract record available.
Inventors
- 👤 Compton Alexander Rennie
- 👤 George Edward Lockett
- 👤 Pietro Acciarri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:57
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/07; G21C19/00; G21C19/20; G21C19/202; G21C19/28; G21C19/30; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2982711A
Cited
GB792114A
Cited
US2992174A
Cited
GB839392A
Cited
US3142625A
Cited
US3089835A
Cited
GB853269A
Cited
GB911863A
Cited
GB935130A
Cited
US3271263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |