US3227621A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heterogeneous atomic reactor
Assignee: Studsvik Energiteknik AB
•
Filing: 1961-05-01
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Granted: 1966-01-04
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Hargo Bernt Torsten Allan
- 👤 Dahlgren Dick Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:47
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21C3/00; G21C3/30; G21C3/32; G21C3/34; G21C3/3408; G21C7/00; G21C7/02; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2810689A
Cited
US2898280A
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US3034975A
Cited
US2985575A
Cited
GB810718A
Cited
US3105026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |